Help me not lose my house

Hello, my name is Jessica, I'm 25 years 2 children. A year and a half ago I bought a house financed by a bank for me and my family, six months after I lost my husband my compareiro the love of my life in a car accident, I was alone because my mother already too late and there are some years, but was consiguindo keep me and keep my children, until the five months ago I was sent away from the place where I worked, the money I got paid some dues because there was not much and 2 installment of my house and so far I do not still managed to get a new job and I'm with 3 installment of my late home and the bank said that in 15 days I do not pay my house goes to auction and I will perdela after so much fighting, so much struggle to get it and the worst I I will not have to go with my kids onder why I ask whose help power me ajudar.Por them I fasso all. And since I already agradesso.