What did the Normans in England think of the Normans in Sicily?

by JDHoare

Was there any dynastic strife between overlapping kings or back and forth of influence between the two? Was there a fixed relationship between the Norman States at all?

Grabaka-Hitman

What did Roussel de Bailleul think of the Norman conquest of England. Do we know anything about Normans serving around the worlds thoughts on England.