Help us we orphans mum and dad passed away we need the basic

Hi all we are 4 kids the eldest is 12 and have no mother she dead of heart diseases nor father, he dead of cancer we have to live a lone and take care of ourselves and has no help except some needed help from a neighbor we went to various associations to help with no good ending the said we help younger kids. We live in a very badly maintained house and very small it leaks in winter. We have no income So we need your generous help thanks