Ser Rolland was named to the Kingsguard on the battlefield. He died an hour after recieving the honour. He held the record of the youngest knight of the Kingsguard until Ser Jaime Lannister was appointed by King Aerys II Targaryen. He may also hold the record for the shortest time served.
He is one of the seven famous members of House Darklyn that served in the Kingsguard.