YOU SAID:

the cow and its mother was sitting in the barnyard

INTO JAPANESE

牛とその母親は納屋に座っていました

BACK INTO ENGLISH

The cow and his mother were sitting in the barn

INTO JAPANESE

牛と母親は納屋に座っていました

BACK INTO ENGLISH

The cow and mother were sitting in the barn

INTO JAPANESE

牛と母親は納屋に座っていました

BACK INTO ENGLISH

The cow and mother were sitting in the barn