Is my mother entitled to claim the full price of the stable that she built with her own money on the land of the deceased father before its division, or is it a right for the heirs, or do the paternal uncles, who are partners in the land, have a share in it?

A partner in a property company, such as an inheritance company, is not allowed to build on the shared property without the permission of the other partners. They have the right to demand the demolition of the building if it was constructed without their permission. The cost of the building constructed by the questioner's father is his exclusive right, and the right of his heirs after his death. The person who paid for the building twenty years ago does not have the right to claim its cost now, unless it was a loan. The builder's brothers do not have the right to claim the cost of the building.