Did Joan Crawford have a sister actress?

Answer 1

No. Joan's older sister Daisy died in infancy. Joan's brother Hal came to Hollywood after Joan was established in acting and occasionally had bit walk on parts in the movies. Hal's name was Hal LeSeur. Hal died in 1963. Hal had a daughter named Joan Crawford Fuller Lowe who was born in the late 1930s. Joan Fuller Lowe was a dancer like her aunt Joan.