"Ansegisel (c. 602 or 610 – murdered before 679 or 662) was the younger son of Saint Arnulf, bishop of Metz. He served King Sigebert III ...
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of Austrasia (634–656) as domesticus. He was killed sometime before 679, slain in a feud by his enemy Gundewin. Through his son Pepin, Ansegisel's descendants would eventually become Frankish kings and rule over the Carolingian Empire." - (en.wikipedia.org 11.08.2021)