Complex sentence: It was created in 1605 for Thomas Arundell, known as "Thomas the Valiant", son of Sir Matthew Arundell (died 1598) and grandson of Sir Thomas Arundell (executed 1552) and of Margaret Howard, a sister of Queen Catherine Howard.
Split into simpler sentences: It was created in 1605 for Thomas Arundell, known as "Thomas the Valiant". He was the grandson of Sir Thomas Arundell and Margaret Howard, sister of Queen Catherine Howard.