Sir Walter Tyrell of Heron
Walter was born about 1348 in Heron, East Horndon, Essex, England.  He died in 1406 in Heron, East Horndon, Essex, England.

 Eleanora Flambard
Eleanora was born about 1350 in Heron, East Horndon, Essex, England.  She died on May 12th, 1422 in Horndon, Essex, England.

 Sir John Tyrell of Heron Hall
John was born about 1375 in Heron, East Horndon, Essex, England.  He died on April 2nd, 1437 in Heron, East Horndon, Essex, England.  He was buried in London, England.

 Edward Tyrell of Downham
Edward was born about 1386 in Downham, Essex, England.  He died after October 10th, 1442 in Downham, Essex, England.