Sir William de Echingham
Sir William was born in 1370.  He died at the age of 43 on March 20th, 1413.

 Joan of Arundel Fitz Alan
Joan of Arundel was born in 1375.

 Elizabeth de Echingham
Elizabeth was born in 1394.  She died at the age of 43 in 1437.

 Sir Thomas Echingham
Sir Thomas was born in 1401.