OTTO H. THYSSEN PORT LAVACA - Otto H. Thyssen, 97, passed away on Nov. 2, 2019. Visitation will be held from 9AM to 10AM on Nov. 12, 2019 at the First United Methodist Church followed by a Memorial Service at 10AM. Burial will follow at Greenlawn Gardens Cemetery. In lieu of flowers, memorials may be given to the F.U.M.C. in Port Lavaca.