William de Mowbray, Baron of Thirsk, Magna Carta Surety

William de Mowbray, Baron of Thirsk is your 21st great grandfather.
You
   →  Mom
your mother →  Pvt. Garnett Hancock, WWII Veteran
her father →  Burrell H Hancock
his father →  Samuel Austin Hancock
his father → Elizabeth Edwards Hancock
his mother →  Brice Edwards
her father →  Olive Edwards
his mother →  Capt Joseph Martin, Sr., of Albemarle
her father → William Martin, merchant of Bristol
his father →  Capt. John Martin, of Pale Park
his father →  Elizabeth Gerrard
his mother →  Sir William Gerrard
her father → Sir Thomas Gerard, I, Kt.
his father →  Peter Ryon Gerard
his father →  Sir Thomas Gerard, of Kingsley and Bryn
his father →  Peter Gerard
his father →  Alice Gerard
his mother →  Alice de Plumpton
her mother →  Christiana de Mowbray
her mother →  John de Mowbray, 2nd Baron Mowbray
her father → Roger de Mowbray, 1st Baron Mowbray
his father →  Roger de Mowbray
his father →  William de Mowbray, Baron of Thirsk
his father

https://www.geni.com/people/William-de-Mowbray-Baron-of-Thirsk/6000000000796884769