Pharos was the sire of Nearco, one of the most influential sires of the 20th Century. His lines through Nasrullah, Nearctic and Royal Charger are responsible for thoroughbred legends such as Secrtariat, Blushing Groom, Seattle Slew, Mill Reef, Riverman, Northern Dancer, Lyphard, Nijinsky II, Danzig, Nureyev, Sadler's Wells, Montjeu, Galileo, Sir Ivor, Roberto and Sunday Silence.