John De Marmion Lord Marmion
John De Marmion Lord was born in 1287 in Danfield, Yorkshire, England.

 Maud De Furnival
Maud was born in 1292 in Tattershall, Lincolnshire, England.  She died at the age of 69 on February 20th, 1361.

 Joan De Marmion
Joan was born in 1313 in West Tantfield, Yorkshire, England.