My Ex fiancéé and I own a house together and we also have 3 kids. We bought this house from her mom for $150,000. However it was appraised and Valued at just under $200,000. We bought it in July and I was kicked out at the end of September. So i really only had 3 months living there. But the fact of the matter is she never would have been able to originally buy it from her mom alone and without me and never would have been able to fix up things in the house without OUR money. So i think i am legally entitled to $25,000 (1/2 of the "paid" principal on the house) cause if we had sold it when we split for the 200k there would have been 50k left cause we only paid 150k. Splitting the 50k for 25k each. I never did this at first because of our kids. But now i really need the money to get by.