William Markenfield
William was born about 1250 in Markenfield Hall, Ripon, Yorkshire, England.  He died after 1308.

 Eleanor
Eleanor was born about 1254 in England.  She died after 1308.

 John Markenfield , Sir
John was born about 1280 in Markenfield Hall, Ripon, Yorkshire, England.  He died in York Minster, York, Yorkshire, England.