The Name of A person divided his property of land with a unregistered written document of koorchit on 1970 as follows,a part of land to his son B and the other parts of land to his grand son C/D/E/F/G. also menctioned the part of B'share to the grand son F who is younger.The A person passed away,and B is also passed away with out change of his share to F grand son .Now the specific B share's property of land struggle with two sides.One side C-elder grand son another side Doughter's of F grand son? who is the wright person and how to resolve this issue.Kindly give legal openion. T ks,V.Annadurai