MaiToyosatomimi no Miko皇子 rather than 神子; Prince ToyosatomimiSoga no UmakoTojiko no IratsumeOoube no OoHata no KawakatsuSatonoTokoyo no KamiMenreikiMononobe no Futo↓ Married to Futo's sister (Futohime)↓ Umako and Futohime's child← Marries Tojiko no Iratsume in the future← Person who killed Futo's brother (Moriya)↙ She sees him as a personal rival.!! NOTICE !!(Futo already betrayed the Mononobe; she does not hate Kawakatsu.) ↓90% of this setting is made up.
If you are curious about the original story, please research on your own.