. . "Keenan Merkovich, along with his twin brother, Connor, portrays one of Ned's twin half-brothers, in Keenan's case Ralston, at age 12. Together, they have appeared in Cold Case and Yes, Dear."@en . . . . "Keenan Merkovich"@en . "Keenan Merkovich, along with his twin brother, Connor, portrays one of Ned's twin half-brothers, in Keenan's case Ralston, at age 12. Together, they have appeared in Cold Case and Yes, Dear."@en .