Son of Aviva Ester and Rafael Yaakov (David). Born on the 11th day of Av 5,759 (24.7.1999) in Belgium. Brother of Elie, Eden and Noa. He immigrated to Israel with his family in 2002. On October 7th, 2023, he enlisted in the reserves and served in the General Corps. Master Sergeant (res.) Dan Wajdenbaum fell in battle on the 2nd day of Shevat 5,784 (12.1.2024). He was twenty-four years old. He was laid to rest in the military cemetery in Ra’anana. He is survived by his parents and three siblings.