Reference: FLW/66.
William Marshall was naturalized; 3RD EARL OF PEMBROKE. He Marshall of England, Protector, Regenn of the Kingdom, 1216-1219. Another daughter, Joan, married Warin de Munchensi, Lord of Swanscomb (FLW/80). He was buried at
Temple Church, London, England. He was born circa 1146. He was the son of
John Marshall and
Sibyl De Salisbury. William Marshall married
Isabel De Clare, daughter of
Richard De Clare and
Aoife Macmurchada, in August 1189 at
London, England. William Marshall died on 14 May 1219 at
Caversham, England.