Lord Paramount Macye Tyrell
Lord Mace Tyrell isthe Lord of Highgarden and head of House Tyrell. He is the father of Margaery and Loras Tyrell. He is also the son of Olenna Tyrell.
Quotes:
Olenna Tyrell: "You know my son, the Lord of Highgarden?"
Sansa Stark: "I haven't had the pleasure."
Olenna Tyrell: "It's no great pleasure, believe me."
— Olenna Tyrell and Sansa Stark about Mace.