Gilbert de Clare, Earl of Hertford and Gloucester, Surety of the Magna Carta

Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester is my 19th great grandfather.

You
   →  POP
your father →  Rufus Samuel Nichols, R-CTS1751
his father →  Tressie (King) Nichols
his mother →  Michael O. King
her father → Margaret (Wright) King
his mother →  James GRANT Wright
her father →  Mary Whitledge Wright
his mother →  William Grant, of Crichie
her father →  Elizabeth Grant
his mother →  William Leslie, X. Baron of Balquhain
her father →  William Leslie, Ninth Baron of Balquhain
his father →  John Leslie, 8th Baron of Balquhain
his father → Elizabeth Ogilvy
his mother →  Sir Walter Ogilvie of Auchleven, Kt.
her father →  Isobel de la Glen
his mother →  Sir John Glen of Inchmartin and Balmuto
her father → Margaret Bruce
his mother →  Robert I the Bruce, King of Scots
her father →  Robert de Bruce, 6th Lord of Annandale
his father → Lady Isabel de Clare, of Gloucester and Hertford,
his mother →  Gilbert de Clare, 4th Earl of Hertford, 5th Earl of Gloucester
her father

https://www.geni.com/people/Gilbert-de-Clare-4th-Earl-of-Hertford-5th-Earl-of-Gloucester/5167204065210119923