With living descendants on the throne of Luxembourg and Spain, FTP, name this founder and namesake of a line of French kings beginning in 987.
This ruler refused to allow his bishops to attend a council at Mouzon, and during the first decade his reign, he swore nominal fealty to his less powerful cousin Lothair. He appointed Arnulf as archbishop, who refused to attend the Council of Senlis and supported his uncle Charles of Lorraine in a bid to usurp the throne from this man. This ruler then quickly replaced Arnulf with Gerbert of Aurillac, who later became Sylvester II. This ruler's wife was the daughter of William Towhead, Queen Adelaide, and during the last part of his reign he ruled alongside his son Robert II, while he himself was a great-grandson of Robert the Strong. With living descendants on the throne of Luxembourg and Spain, FTP, name this founder and namesake of a line of French kings beginning in 987.
This ruler refused to allow his bishops to attend a council at Mouzon, and during the first decade his reign, he swore nominal fealty to his less powerful cousin Lothair.
Hugh Capet (prompt partial answer)