John 2nd Baron Marmion , of Wethrington, Sir
John 2nd Baron was born about 1292 in Wethrington, Lincolnshire, England.  He died on April 30th, 1335 in Wethrington, Lincolnshire, England.

 Maud de Furnival
Maud de was born about 1293 in Worksop, Nottinghamshire, England.  She died after 1348 in Wethrington, Lincolnshire, England.

 Joan Marmion
Joan was born about 1310 in Wethrington, Lincolnshire, England.  She died in 1362 in Tattershall, Horncastle, Lincolnshire, England.

 Avice Marmion
Avice was born about 1312 in Wethrington, Lincolnshire, England.  She died in Cogges, Whitney, Oxfordshire, England.