Property is not my father's name but he was living there for long time

Gud afternoon sir..this is to inform you about my family property and to get the beneficial result from you ..here, my father and his elder brother are living jointly ,we have got separated in Oct 12 of 2017. The whole property was on my father's brother name and some on his son's name. He was saying that you have not done anything to family just take what am giving to you and made a note for three land properties have given to us. Here am asking that are we are not capable of taking 50% of whole property or not..?