Aaldert Mennega 87 Sioux Center, Iowa June 12, 2018 Al Mennega, 87, of Sioux Center, Iowa, passed away Tuesday, June 12, 2018, at Royale Meadows Care Center, Sioux Center. Funeral services were Friday, June 15, at Bethel Christian Reformed Church, Sioux Center, with interment in Memory Gardens Cemetery, Sioux Center. Aaldert “Al” Mennega was born July…