William de Kyme , Sir
William de was born about 1217 in Kyme, Sleaford, Lincolnshire, England.  He died before September 3rd, 1259.

 Lucy de Ros
Lucy de was born about 1225 in Helmsley Castle, North Ride Yorkshire, England.  She died after 1279 in Grey Friars, York, Yorkshire, England.

 Philip 1st Baron de Kyme
Philip 1st Baron de was born about 1242 in Kyme, Sleaford, Lincolnshire, England.  He died before April 2nd, 1323.