CONTACT FILED: HOUSTON NATIONAL CEMETERY..5/27/01--Gigi Zientek leans over and kisses the grave of her father, Marion Patrick Zientek, who is buried at Houston National Cemetery on Veterans Memorial Drive. Marion Zientek was a Sp. 5 with the U.S. Army's combat engineers. HOUCHRON CAPTION (05/28/2001): Gigi Zientek kisses the marker on the grave of her father, Army veteran Marion Patrick Zientek, on Sunday at the Houston National Cemetery. Memorial Day ceremonies will be held there today.