YOU SAID:
Today my uncle is an uncle who has no other commitments but is also an auntie
INTO JAPANESE
今日、私の叔父は他に義務はないが叔母でもある叔父です
BACK INTO ENGLISH
Today my uncle is an uncle who has no other obligation but is also an aunt
INTO JAPANESE
今日、私の叔父は他の義務はないが叔母でもある叔父です
BACK INTO ENGLISH
Today my uncle is an uncle who has no other obligation but is also an aunt
That didn't even make that much sense in English.