Guillaume III Duke Alencon, [Count]

b 1055, Of, Alencon, Orne, France
d 1172,		Roger De Montgomery
	Roger De Montgomery	b 0980
	\| b 1005
Robert II De Alencon	d 1123
\|b 1039	\|	Guillaume II De Alencon
\|d 1119	Mabel De Alencon	b 0995
\|	b 1015	Hildeburge De Beaumont
Guillaume III Duke Alencon, [Count]	d 1082	b 0995
\|Alice Countess Burgundy, [Duchess]
\|	Guy I Count Ponthieu
\|	\|b 1036
Agnes Countess Of Ponthieu, [Countess]	d 13 Oct 1100
b 1066	\|
	Ada
	b 1006

Children

Guillaume III Duke D' Alencon, count of Ponthieu & Montreuil.