Milestones, Apr. 23, 1956

Married. Countess Emanuela Castel-barco, 19, blonde granddaughter of Conductor Arturo Toscanini; and Duke Gian Luigi Acquarone, 32, wealthy Italian nobleman; in Milan, Italy.

Married. Corinne Robinson Alsop, 69, mother of the New York Herald Tribune's globetrotting columnists Joseph and Stewart Alsop, niece of the late President Theodore Roosevelt; and Francis W. Cole, 72, onetime (1945-55) board chairman of Hartford, Conn.'s Travelers Insurance Co.; both for the second time; in Collinsville, Conn.

Died. Francis Tyler, 51, burly helmsman of the No. 2 U.S. bobsled team that took first place in the 1948 Olympics at St....