Richard Seymour
Richard was born about 1375 in Castle Cary, Rode, Somersetshire, England.  He died in January 1409.

 Mary Peyvre
Mary was born about 1382 in Toddington, Bedfordshire, England.

 Alice Seymour
Alice was born on July 24th, 1409 in St. Lawrence In Cripplegate Ward, London, Middlesex, England.  She died after 1431.