Note - Second wife dont have any documents of her mariage nor chidrens birth proof ,but have lot of live relatives who can give testamony. this is because she left her house and try to earn herself after her husband death.
After death of first wife of man (A) he married again. He had two sons from his first wife and he had two sons and one daughter from second wife. Man (A) died suddenly after 3 to 4 yrs after marriage. Then his second wife married to another man (B) who gave his name to her both sons except daughter.(Daughter is with her grandfather, mother side),
Step mother sons left half property till both sons are 30 yrs of age but now they refused to give ancestral property. Is it possible to take that property again by their mothers claim