The Greek that is translated as “my Father” in English is translated in Matumbi as Tati’ bangu’ or “my fathers.” “Our Father” is translated as “our Fathers” (and likewise “our ancestor” as “our ancestors”). Matumbi uses a majestic plural as an honorific when addressing parents. (Source: Tim Macsaveny)

See also addressing one’s or someone else’s father humbly / respectfully in Japanese (父) and Father (address for God).