The only members of House Crane to have appeared or been mentioned have been Ser Parmen, master-at-arms of Highgarden Ser Vortimer, Ser Rychard Crane who is wed to Rylene Florent, Merdyth Crane (known as Merry), and Lady Melara who is Lord Florent’s wife. Their relation to one another, and to the Lord of Red Lake, is unknown.
Information about House Crane that reveals spoilers from the books.