Please see Darrell Wolcott: Three Conflated Brecknock Families; http://www.ancientwalesstudies.org/id324.html [Fam3: # 4] (Steven Ferry, October 5, 2024.)

Please see Darrell Wolcott: Mallt/Mawd ferch Ieuan ap Rhys of Elfael; http://www.ancientwalesstudies.org/id326.html (Steven Ferry, February 11, 2025.)

Please see Darrell Wolcott: The Dubious Einion ap Llywarch "ap Bran"; http://www.ancientwalesstudies.org/id325.html (Steven Ferry, February 12, 2025.)

Gwilym ap Jenkin, Master Sergeant of Abergavenny

• Son of Jenkin ab Adam, Lord of Wern Ddu and Lowry verch Philip
• Born: Abt 1325, Wernddu, Monmouthshire, Wales Married: Gwenllian verch Howel, died: Abt 1377, Perth Hir, Monmouthshire, Wales.
• Managed his landed estates.
• General Notes: Gwilym ap Jenkin; Master Sgt of Abergavenny 1340; married Gwenllian, daughter of Hywel Fychan ap Hywel and died c1377, leaving [Thomas], with numerous other issue. [Burke's Peerage]
• See Description: Bartrum Genealogical Project by Aberystwyth University (July 20, 2022; Anne Brannen, curator)
• See THE HERBERT FAMILY PEDIGREE, By Darrell Wolcott (January 6, 2018; Anne Brannen, curator)
• See Bartrum Genealogical Project, PRIFYSGOL CABERYSTWYTH UNIVERSITY
• HERBERT, by The Tudor Place

Married

• Married: (1) Gwenllian ferch Hywel Fychan ap Hywel ab Iorwerth Fytchan ab Iorwerth ab Gwarin of llan-ffwyst ap Caradog ab Ynyr Fychan ap Meurig ab Ynyr Gwent, the daughter of Hywel "Fychan" ap Howel ab Iorwerth of Cerf-Y-Ddwy-Gwlyd, of Monmouth, a direct descendant of the early Welsh kings of Monmouth and Glamorgan.

Children

Gwilym and Gwenllian had eight children, all of Monmouthshire, Wales:[4], although an unsourced profile said that he had 14 children, seven of whom were by Gwenllian.

• Jonet ferch Gwilym, b. Abt 1330, of, Y Fenni; m. Jenkin ap Gwrgi (alias Jenkin Grant) [1]
• Gwenllian [1st] (Lucy) ferch Gwilym, b. Abt 1330, of, Y Fenni; m. Owain "Gethin". [1]
• Gwenllian [2nd] ferch Gwilym, b. Abt 1330, of, Y Fenni; m. Meurig ap Hywel "Gam", lord of Penrhôs Fwrdios.
• John ap Gwilym, b. Abt 1330, of, Y Wern-ddû, Llandeilo Bertholau, d. 1429 (Age ~ 99 years); m1. Mallt ferch Rhys; m2. Unknown ferch Dafydd. [1]
• Hywel ap Gwilym, b. Abt 1330, of, Cefn-y-ddwy-glwyd, Llanwytherin, Y Grysmwnt, d. Bef 1397 (Age ~ 67 years); m1. Anne Wallis; m2. Mallt ferch Ieuan; m3. Gwenllian ferch Hywel. [1]
• Dafydd ap Gwilym, b. Abt 1330, of, Capel Pengafenni, Y Fenni; m. Gwenllian ferch Philip. [1]
• Thomas ap Gwilym, b. Abt 1350, of, Perth-hir, Rockfield, Llangatwg Feibion Afel, d. 4 Jul 1438 (Age ~ 88 years); m1. Mawd Morley, lady of Raglan; m2. Unknown ferch Watkin. [1]
• Robert ap Gwilym, b. Abt 1330, of, Y Fenni. [1]

Master sergeant of the Lordship of Abergavenny.

Gwilym ap JENKIN and Gwenllian verch Howel.

Gwilym was born in 1327 and died in 1377. Gwenllian was the daughter and sole heir of Howel Vychan ap Howel ap Ioworth of Cerf-Y-Ddwy-Gwlyd, of Monmouth, a direct descendant of the early Welsh kings of Monmouth and Glamorgan. Upon the death of Gwenllian's father, Gwilym became Lord of Cerf-Y-Ddwy-Gwlyd, taking his father-in-law's coat of arms and the alias, Herbert. He is the progenitor of the Herbert family as well as the Raglan. Gwilym had 14 children, seven of which were by Gwenllian.

History: One of the early ancestors, Gwilym ap Jenkin (1327-1377) was the only child of "Jenkin the Apple Tree", a clerk to the Lord of Abergavenny at Llanvapley. Gwilym married the daughter and heir of Vychan ap Howel, a descendant of the early Welsh kings of Monmouth and Glamorgan. Upon Vychan's death, Gwilym inherited his title and property as Lord of Cerf-Y-Ddwy-Gwlyd, his coat of arms and his family name, Herbert (Hir-Bert in Welsh, meaning "very tall").

Pedigree: Gwilym married the daughter and heir of Vychan ap Howel, a descendant of the early Welsh kings of Monmouth and Glamorgan. Upon Vychan's death, Gwilym inherited his title and property as Lord of Cerf-Y-Ddwy-Gwlyd, his coat of arms and his family name, Herbert (Hir-Bert in Welsh, meaning "very tall").

Managed his landed estates.

Copied from Herbert, George biography, 88.1911 encyclopedia.org/H/HERBERT_GEORGE

Jenkin's son, Gwilim ap Jenkin who followed his father as master sergeant is given six sons by the border genealogists, no less than six score pedigrees finding their origin in these six brothers. Their order is uncertain, although the Progers of Werndee, the last of whom sold his ancestral estate in 1780, are reckoned as the senior line of Gwilim's descendants. But Thomas ap Gwilim Jenkin, called the fourth son, is ancestor of all those who bore the surname Herbert. 411,3738

Lord of Cerf-Y-Ddwy-Gwlyd and Herbert Name

WILLIAM ap JENKIN and Gwenllian verch Howel. William was born in 1327 and died in 1377. Gwenllian was the daughter and sole heir of Howel Vychan ap Howel ap Ioworth of Cerf-Y-Ddwy-Gwlyd, of Monmouth, a direct descendant of the early Welsh kings of Monmouth and Glamorgan. Upon the death of Gwenllian's father, William became Lord of Cerf-Y-Ddwy-Gwlyd, taking his father-in-law's coat of arms and the alias, Herbert. He is the progenitor of the Herbert family as well as the Raglan. William had 14 children, seven of which were by Gwenllian.

History: One of the early ancestors, William ap Jenkin (1327-1377) was the only child of "Jenkin the Apple Tree", a clerk to the Lord of Abergavenny at Llanvapley. William married the daughter and heir of Vychan ap Howel, a descendant of the early Welsh kings of Monmouth and Glamorgan. Upon Vychan's death, William inherited his title and property as Lord of Cerf-Y-Ddwy-Gwlyd, his coat of arms and his family name, Herbert (Hir-Bert in Welsh, meaning "very tall").

Pedigree: William married the daughter and heir of Vychan ap Howel, a descendant of the early Welsh kings of Monmouth and Glamorgan. Upon Vychan's death, William inherited his title and property as Lord of Cerf-Y-Ddwy-Gwlyd, his coat of arms and his family name, Herbert (Hir-Bert in Welsh, meaning "very tall").

Sources

• Carl Boyer, 3rd. Medieval Welsh Ancestors of Certain Americans. By the author, Santa Clarita, California, 2004. Gwilym ap Jenkin ab Adam ap Cynhaethwy is #6 on page 167.
• Ragland, p 57, #Vol II
• WikiTree profile for Ap_Jenkin-10 entered by Dawn Griffis, Friday, February 21, 2014. Replace this citation if there is another source.
• FamilySearch Welsh database
• Ragland, p 58, #Vol II
• Vol I: Charles James Ragland, Jr., The Raglands: History of A British-American Family (published by the author in 1978)
• Vol II: Charles James Ragland, Jr., The Raglands: The History of a British-American Family (published by the author in 1987)

* Master Sergeant of the Lordship of Abergavenny in 1345