Marie married Pierre de Gabaston Abt 1290. Pierre (son of Arnaud de Gabaston and Clarmonde de Marsan) was born Abt 1270, Béarn, Pyrénées-Atlantiques, France; died 19 Jun 1312, Blacklow Hill, Warwickshire, England; was buried 2 Jan 1314, King's Langley, Hertfordshire, England. [Group Sheet]