Classic:

Motti's family consists of her mother, two brothers and a sister. No father and Motti being the youngest. Motti is only on speaking terms with her sister and one of her brothers. Her eldest brother is estranged from the family. Motti is on good terms with her family, but they can be overbearing and she needs time away from them.

Underfell:

Father has passed. Not on speaking terms with her family aside from one of her brothers. The one brother forces to keep contact since Motti moved away to live near Ebott but has not heard from Motti since she fell underground.

Farmtale:

Motti is estranged from the whole family, except the Grandparents. They left the farm to her after they passed. Her parents are irresponsible and Motti remembers vaguely being with her Grandparents more as a child. Her siblings are far older and followed their parent's irresponsible and reckless ways. After the Grandparents disowned her parents, Motti's parents made sure she never saw them again. Until she became an adult and would call them a lot. Her mother tries half hearted attempts to keep in contact and send letters but they just pile up. Her father wants nothing to do with her and vice versa. Her siblings didn't care to be in contact until they caught wind of Motti's getting the entire inheritance. Their falling out is what made Motti decide to move to the farm instead of selling it.

Precious Stone (swapfell au):

Motti is estranged from her family. Their world views are vastly different and she felt ostracized. She has not spoken or seen her family since she fell underground and does not want to return or speak to them again.

Smoke ‘n Threads (swapfell mafia au):

Her father disowned her since she embarrasses him with her wild ways (woo flapper life) and refused every suitor he threw her way. Motti's mother and grandmother keep in contact with her secretly and help support Motti moving and starting a new life. Motti sends letters anonymously to her mother and grandmother but has yet to tell them about Boysen. Motti has two brothers and one sister, but finds her lifestyle choices too odd and keeps minimal contact in fear of their father's scorn.

Reapertale:

Motti is a lower Goddess that was crafted by Toriel out of spite, so she has no siblings. Toriel is the closest thing she has to a concept of a Mother

The Eclipse Crew (pirate nightmare au):