A son, BENJAMIN WILLIAM ELLENTUCK, was born April 26 to Emily and Max Ellentuck of Tucson. Grandparents are Heidi and Wayne Brent of Tucson and Marty and Elliot Ellentuck of Tempe, Ariz. Great-grandparents are Helen and Louis Rib of Tucson and Shirley and Philip Brent of Encino, Calif. Benjamin joins his big sister, Hannah.