Family: BARON William XII 'The Youngest' FitzWilliam de SYDNEY OF LEWES - LORD IX OF CHES BRYN - / Isabel Elizabeth JOHN (F2494)
-
Father | Male
BARON William XII 'The Youngest' FitzWilliam de SYDNEY OF LEWES - LORD IX OF CHES BRYN -
Born 1407 Lewes Castle, Suffock, Sussex, England, UK 
Died 1452 Lewes Castle, Suffock, Sussex, England, UK Buried Married Father Mother
Mother | Female
Isabel Elizabeth JOHN
Born 1410 Fonmon Castle, Barry, Wales Died 1437 Of Thurleigh, Bedfordshire, England Buried Father Mother
Child 1 | Female
Mary SIDNEY
Born 1428 Penhurst, Kent, England Died 1450 Penhurst, Kent, England Buried Spouse John MICHELGROVE | F2492 Married