YOU SAID:

when your mother's father's brother's uncle is your cousin

INTO JAPANESE

あなたの母親の父親の兄弟の叔父があなたのいとこであるとき

BACK INTO ENGLISH

When your mother's father's brother's uncle is your cousin

INTO JAPANESE

あなたの母親の父親の兄弟の叔父があなたのいとこであるとき

BACK INTO ENGLISH

When your mother's father's brother's uncle is your cousin