William De Dacre
William was born in 1357 in Gillesland, Cumberland, England.  He died at the age of 42 on July 20th, 1399.

 Joan Douglas
Joan was born about 1361 in Douglas, Lana, Scotland.

 Joan De Dacre
Joan was born in 1376 in Gillesland, Cumberland, England.  She died after 1456.

 Thomas De Dacre
Thomas was born on October 27th, 1387 in Naworth Castle, Cumberland, England.