Which One My Mother??

The one on the left is my wife, in the center my mother-in-law, next to her is my sister, and the right is my sister-in law..

WAIT! I think that the one in the center is my wife. On the right is my mother-in-law, and to the left is my mother..

Eh, now i can't remember if my daughter that day... she might be on the right. Is my wife the one in the center..??

Sorry!! What a mess.. I can figure it out..

Can you help me??