YOU SAID:

spanglish is my moms seccond cousin is married to his sister in law

INTO JAPANESE

スパングリッシュは私の母です二番目のいとこは義理の妹と結婚しています

BACK INTO ENGLISH

Spanglish is my mother My second cousin is married to my sister-in-law

INTO JAPANESE

スパングリッシュは私の母です私の2番目のいとこは私の義理の妹と結婚しています

BACK INTO ENGLISH

Spanglish is my mother My second cousin is married to my sister-in-law