right of mother's property

I DON'T HAVE THE ORIGINAL JOINT PROPERTY PAPER WITH ME BUT CAN I CLAIM MY RIGHT IN THAT PROPERTY B'CAUSE MY MOTHER WAS ONE OF THE OWNER & I DO HAVE A ELDER BROTHER WHO HAS GIFTED HIS SHARE TO ONE OF OUR UNCLE WHO IS ALSO THE CO-OWNER OF THIS JOINT PROPERTY & CLAIMED THAT I HAVE TO PROVE THE RIGHT LEGALLY TO ENTER THE HOUSE.I BEING A DAUGHTER (MARRIED)CAN I CLAIM TO GIVE ME THE RIGHT TO ACCESS TO THE PROPERTY WHER MY MOM USED TO STAY (1ST FLOOR OF THE JOINT PROPERTY) .CAN I ASK FOR A SET OF KEY S OF THE IST FLOOR SHOULD ALSO BE GIVEN TO ME?