John de Lancaster
John served in the wars against the Scots, and was present at the siege of Carlaverock, 1300. He also fought in Gascony.
He died in 1319.
John appears in The The Caerlaverock Poem, K9, & Glover's Roll, B49, where he bears
Argent two bars and on a canton gules a lion passant gardant or
Roger de Lancaster bears the same arms in St George's Roll, E263