Roger gets a page of small print in Royal Ancestry 2013 - Vol 5 p. 184. It's moved on a bit from 2004.
Married 1st bef 1242 Maud ____, widow of Hugh de Gournay. They had one son Roger
Married 2nd at St George d'Esperance, France (a Savoy fief) in June 1273 _____, Countess of Loreto, possibly widow of Conrad of Antioch, Count of Loreto (living 1268).
By an uncertain wife, he had a daughter Alice [no husband named].