Complex sentence: The Earl was known as a sportsman, and like several noblemen of his day, he retained a company of actors, known as Oxford's Men, from 1547 until his death in 1562.
Split into simpler sentences: The Earl was known as a sportsman, and like several noblemen of his day, he retained a company of actors. The troupe, known as Oxford's Men, was retained by ther Earl from 1547 until his death in 1562.