John \u201cJack\u201d Knapp, 83, of Milford, founded and co-owned Blaho & Knapp Builders, Inc., husband of Maria Barbieri Knapp, died Oct. 18, at Milford Hospital; U.S. Navy, Korean Conflict. Besides his wife, survivors include sons, Michael (Allison), James (Debbie), daughter, Catherine (Dan) DelVecchio, and four grandchildren. Predeceased by parents, Howard F. and Marie L. Hennessey Knapp, his son, John H. Knapp and brother, Howard Knapp. Burial: St. Mary\u2019s Cemetery. Memorial contributions: Milford Hospital or Christ the Redeemer. Smith Funeral Home, Milford.