Jonathan and Lucy Yamo were already NTMPI missionaries before they decided to get married.
Lucy was in full-time ministry for 6 years to the Central Subanen tribe in Zamboanga del Norte while Jonathan was assigned to the Banao tribes in Dagioman, Abra for 5 years. As a couple, they are currently working among the Banao tribes in Dagioman, Abra, doing church planting work. They are blessed with a son, Nathaniel, and a daughter, Princess Shallom May.