Nakato's father was TACHIBANA no Saomi (佐臣), Jugoinoge (Junior Fifth Rank, Lower Grade) Shimofusa no kuni no Kami (Governor of Shimofusa Province), and Saomi (佐臣)'s father, TACHIMANA no Shigee (橘茂枝), who was ranked Jushiinoge (Junior Fourth Rank, Lower Grade) Chikuzen no kuni no Kami (Governor of Chikuzen Province), and TACHIMANA no Hiromi, ranked Zo-Jusanmi (Junior Third Rank, posthumously conferred) Chunagon (Middle Councilor), were second cousins.
仲任の父は従五位下下総守橘佐臣で、佐臣の父、従四位下筑前国守橘茂枝と贈従三位中納言橘広相は又従兄弟の関係になる。