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

 Joan Douglas
Joan was born in 1360 in Douglas, Lanarkshire, Scotland.  She died at the age of 35 in 1395 in Naworth Castle, Bramton, Cumberland, England.

 Thomas De Dacre
Thomas was born on October 27th, 1387 in Naworth Castle, Naworth, Cumberland, England.  He died at the age of 70 on January 5th, 1458 in Naworth Castle, Naworth, Cumberland, England.