Note: ...first Duke of Normandy, called also Rolf the Walke
r, being so tall, he preferred to go afoot rather than rid
e the little Norwegian horses. Originally a Norse viking, h
e was noted for strength and martial prowess. In the reig
n of Charles II, the Bald, he sailed up the Seine and too
k Rouen, which he kept as a base of operations. He gaine
d a number of victories over the Franks, and extorted the c
ession of the province since called Normandy. By the famou
s treaty which Charles and Rollo signed the latter agreed t
o adopt the Christian religion. He died in 932 was buried i
n the Cathedral at Rouen, where his figure cut in the ston
e may still be seen.