ARNULF Duke of Bavaria ([875/85]-14 Jul 937, bur Regensburg St Emmeram).

x NN

7. daughter . The origin of the wife of Graf Burkhard, mother of Heinrich Bishop of Augsburg, is confirmed by the Vita Oudalrici recording that the wife of "Purchardo duce Alamannorum" was "filiam materteræ [Heinrici episcopi]"[201], the wife of Burkhard III Duke of Swabia being Hedwig of Bavaria, daughter of Heinrich I Duke of Bavaria & his wife Judith of Bavaria [Luitpoldinger].
m BURKHARD, Graf. 947/55. Graf Burkhard & his wife had one child:

a) HEINRICH (-killed in battle near Cotrone 13 Jul 982). "Heinricus filius Purchardi comitis" was installed as Bishop of Augsburg in 973 in succession to Ulrich [von Dillingen], according to the Vita Oudalrici which also specifies that the wife of "Purchardo duce Alamannorum" was "filiam materteræ"[202]. He rebelled against Emperor Otto II in [976/77], together with his cousin Heinrich Duke of Carinthia and Heinrich Duke of Bavaria [Ottonen]. The rebels were captured at Passau in 978 by the king's forces, deposed and banished[203]. He was killed in battle against a Byzantine/Muslim alliance near Stilo in Calabria during the Italian campaign of Emperor Otto II[204].

https://fmg.ac/Projects/MedLands/BAVARIA.htm