Shō Shoku was born into a family of peasant farmers on Izena Island, a small island which lies off the northwestern coast of Okinawa Island. He married Zuiun, and had a daughter and two sons: Abu-ganashi, Shō En, and Shō Sen'i.

Shō Shoku and his wife died when their offsprings were young. He was posthumously honored as king in 1699, and his spirit tablet was placed in Sōgen-ji. His title was stripped in 1719, and his spirit tablet was moved to Tennō-ji.

尚稷出生在伊是名島首見村（一作諸見村），人稱伊平屋里主。相傳他是義本的後裔，一說為天孫氏後裔。尚稷之父是伊平屋大主，有一弟名叫向元輔（銘苅親方朝烈），一妹名叫多嘉屋田阿武。他與瑞雲結婚，生有一女二子：阿武加那志、尚圓、尚宣威。

尚稷與夫人瑞雲都於1434年（宣德9年）死去，葬於，當時尚圓還年幼。1699年（康熙38年），由於尚稷是尚圓王之父，因此被追尊為王。尚稷、尚久、尚懿三人的牌位被尊稱為「花王」，同歷代國王牌位一起被供奉於圓覺寺（一說安置於崇元寺）。1719年（康熙58年），經久米村的奏請，三人被剝奪王爵、降稱「公」，尚稷公、尚久公神主遷往供奉，尚懿公神主遷往供奉。