Guillaume III de's father was Archambaud I sn de St Juliens. He was an only child. Guillaume III de is no longer alive.
General Notes
[Joanne's Tree.1 GED.GED]
2 SOUR S332582 3 DATA 4 TEXT Date of Import: 14 Jan 2004
[daveanthes.FTW]
TITL Ancestry of Richard Plantagenet & Cecily de Neville AUTH Ernst-Friedrich Kraentzler PUBL published by author 1978 REPO J.H. Garner CALN MEDI Book PAGE chart 1075