JOHN de COKAYNE

JOHN was born in 1305.¹   JOHN's father was WILLIAM de COKAYNE and his mother was SARAH de MERCATON.  His paternal grandparents were ROGER de COKAYNE and ALICE de DALBURY; his maternal grandfather was ADAM de MERCATON.  He was an only child.  He died at the age of 27 in 1332.¹ 

They had a son named JOHN (Esq).