Dale R. Seibert Sr., 75, of Bethlehem died Aug. 14, 2014. Born in Allentown, he was a son of the late Beatrice and William Wagner, adopted son of the late Oliver Seibert and stepson of the late William Oswald. He was the husband of Donna (Uberroth) Seibert for 46 years of marriage.

He graduated from Lehigh University and earned a second degree from Ohio State University.

He served in the U.S. Army.

He started the architect and engineering firm of Seibert & Busch Associates and worked at DeSales University as a security officer until he retired.

In addition to his wife, he is survived by children, Dale R. Jr. and wife Ethel Seibert, Donna Elizabeth Seibert, Trent M. Seibert and fiance Rebecca, Viktoria and Paul Wargo, Brittany and Chad Fontoura, Ashley and Brent Kocher, Brenda and Dave Dellalba, Beth Winchell and Doug Seibert; and grandchildren, Alexandria, Alyssa, Rebeka, Courtlyn, Grayson, Ryan, Kyle, Dante, Brooke, David and Mikey.

Contributions may be made to Christ Church UCC, 75 E. Market Street, Bethlehem 18018.

Arrangements were made by James Funeral Home Inc., Bethlehem.