“…While two oif these girls (VI-40, V-150) are still fairly young and may develop hematuria later in life, one is older than her affected sister, yet remains unaffected, and the third female (Fig. 1, VI-26) is nearly 20, by which time hematuria has usually developed in affected individuals (Shaw & Glover 1961, Ferguson & Rance 1972, Gaboardi et al 1974, Hallberg 1976, Shaw & Kallen 1976. Unaffected daughters of affected males occur in the Utah pedigree, too.…”