Welcome to WikiTree David! Joan (Knighton) Bull (abt. 1494 - aft. 1539) she is my 11th Cousin 15xR!
That being said, Here is what WikiTree has: BULL Genealogy with about 5,972 BULLs listed!
Please enter your pedigree (Bull family line) into WikiTree, sign the Honor Code. We just might be cousins!
Thank you for introducing yourself to the community!