Henry William Sinclair
Henry William was born about 1200 in Scotland.  He died in 1270 in Rosslyn Castle, Roslin, Midlothian, Scotland.

 Margaret of Mar
Margaret of was born about 1220 in Mar, Aberdeenshire, Scotland.

 Mary Sinclair
Mary was born in 1232 in Dunnyglass, Scotland.

 Amicia Sinclair
Amicia was born about 1237 in Rosslyn Castle, Roslin, Midlothian, Scotland.