Hope and Mark Bosniak of Warminster; Feryn and Eric Lang of Rockledge, Fla.; Joyce Rowley of Scotch Plains, N.J.; and Frederick Rowley of Westfield, N.J., announce the engagement of their children, Melissa Jaclyn Lang and David Spencer Rowley.

    Melissa graduated from the University of Maryland with a Bachelor of Arts degree in communications. She is an associate at WeissComm Group, a healthcare public-relations agency in New York City.

    David graduated from the University of Delaware with a Bachelor of Science degree in economics. He is a co-founder and partner at Cathedral Partners, a technology-enabled services business for private equity firms and hedge funds.

    Melissa is the granddaughter of Lee Mankin and the late Marvin Mankin, and Janet and Shu Lang. David is the grandson of Anita Rowley and the late Wesley Rowley, and the late Marjorie Mesterhazy.

    Joining in the couple's happiness are their sisters, Amanda Lang and Rachel Rowley.

    The couple, who lives in Manhattan, is planning a September wedding in Philadelphia.