Roger I, comte de Saint Pol et de Ternois

COUNT WILLIAM1 OF PONTHIEU of Ponthieu, France has an unknown birthdate.

Children:

+ 2 i. COUNT ARNOLD2 OF BOULOGNE of Boulogne, France.

+ 3 ii. COUNT HUGH I OF ST. POL of St. Pol.

Generation Two

2. COUNT ARNOLD2 OF BOULOGNE (William of PONTHIEU1) of Boulogne, son of (1) Count William1, has an unknown birthdate.

Child:

+ 4 i. MATILDIS3; m. (O-18) COUNT ARDOLPHUS OF GUISNES.

3. COUNT HUGH I2 OF ST. POL (William of PONTHIEU1) of St. Pol., son of (1) Count William1, has an unknown birthdate.

Child:

+ 5 i. COUNT HUGH II3 of St. Pol.; m. AVICE OF ARUNDEL.

Generation Three

4. MATILDIS3 OF BOULOGNE (Arnold2, William of PONTHIEU1), daughter of (2) Count Arnold2, has an unknown birthdate. She married (O-18) COUNT ARDOLPHUS OF GUISNES of Guisnes, son of (O-17) Count Sigefrede the Dane and (U-10) Elstrude (of FLANDERS). [1]

Child: See (O-18) Count Ardolphus of GUISNES

5. COUNT HUGH II3 OF ST. POL (Hugh I2, William of PONTHIEU1) of St. Pol., son of (3) Count Hugh I2, has an unknown birthdate. He married AVICE OF ARUNDEL, who was born circa 1196. [1]

Child:

+ 6 i. ROSELLA4; m. (O-19) COUNT RODOLPHUS OF GUISNES.