de Roos

Generation 23:

Juetta de Roos

+Sir Geoffrey le Scrope, Justice of the Common Pleas, Chief Justice of the King's Bench

--Sir Henry le Scrope, 1st Lord Masham, Warden of Calais & Guines

--Sir Thomas le Scrope

--Sir William le Scrope

--Sir Stephen le Scrope

--Geoffrey le Scrope, Canon of Lincoln

--Beatrice le Scrope, wife of Sir Andrew Luttrell

--Constance le Scrope, wife of Sir Geoffrey Luttrell

--Ivette le Scrope, wife of John de Hotham

Generation 24:

Sir William de Roos

+Eustache FitzHugh

--Sir William de Roos

--Isabel de Roos, wife of Sir Marmaduke de Thweng

--Lucia de Roos, wife of Sir Robert de Plumpton

--Thomas de Roos

--Margaret de Roos

--Mary de Roos, Prioress of Rosedale

--Juetta (Ivette) de Roos, wife of Sir Geoffrey le Scrope

Generation 25:

Sir William de Roos

+Lucia FitzPiers

--Sir Robert de Roos

--Sir Peter de Roos

--Sir William de Roos

--Sir Alexander de Roos

--Sir Herbert de Roos

--John de Roos

--Lucy de Roos, wife of Sir William de Kyme

--Alice (Alicia) de Roos, wife of Sir John Comyn & Sir James de Byron

Generation 26:

Robert de Roos, Magna Carta Surety, 4th Baron Hamlake, Sheriff of Cumberland

+Isabella MacWilliam

--Sir William de Roos

--Sir Robert de Roos, Chief Justice of the King's Bench

Generation 27:

Everard de Roos, Baron of Hemsley

+Roese Trusbutt

--Piers de Roos

--Robert de Roos, Magna Carta Surety, 4th Baron Hamlake, Sheriff of Cumberland

Generation 28:

Robert de Ros, 2nd Lord Hamlake

+Sibyl de Valoines

--Everard de Roos, Baron of Hemsley

Generation 29:

Peter de Ros

+Adeline Espec

--Robert de Ros, 2nd Lord Hamlake

More information: https://en.wikipedia.org/wiki/William_de_Ros,_1st_Baron_de_Ros