Family/Spouse: Unknown. [Group Sheet] [Family Chart]
William married Amicia Strathearn in 1273 in Midlothian, Scotland. Amicia (daughter of 4th Earl of Strathearn Robert Strathearn) was born in 1237 in Midlothian, Scotland; died in 1312 in Midlothian, Scotland. [Group Sheet] [Family Chart]
Gilbert married Matilda d'Aubigny. Matilda (daughter of 1st Earl of Arundel William I d'Aubigny and Princess of Brabant Adelicia de Louvain) was born in 1142 in Arundel, Sussex, England; died in 1210 in Strathearn, Perthshire, Scotland. [Group Sheet] [Family Chart]