Family register
John de Grey, 1st Baron Grey of Rotherfield
confirmed
John de Grey, 1st Baron Grey of Rotherfield is part of the Rotherfield family recorded on Mayflower.family. He married Avice (Marmion) Grey. His child was Maud (Grey) Harcourt.
Life and records
LOCKED 2026-10-22 as father of maud-grey-harcourt. KG (founder), Steward of the Household, summoned to Parliament 1338-57. m. (1) Katherine FitzAlan, (2) Avice Marmion. LEAD (not linked): parents Sir John de Grey of Rotherfield x Margaret Odingsells (Wikipedia).