Shawn Patrick Walker, 53, of Altoona, died Friday evening at his residence.  He was born in Altoona, a son of late Robert Walker and Nancy (Stehley) Wright.  Surviving are his wife, Jennifer L. Sabol; three children:  Savannah, Eden and Donavin Sabol; a sister, Joni McClaren; a brother, Tim Walker; three grandchildren:  Elowen, Nova and Atlas; a niece, Jamie Walk; a brother in law, James Schmerbeck; a sister in law, Wendy (Ken) Dunn; a step father Maurer Wright.  Shawn was preceded in death by a brother, Thomas Snyder.  He graduated from Altoona Area High School and was a Marine/Navy Seal veteran of Desert Storm.  Shawn was previously employed as a heavy duty truck mechanic.  He enjoyed spending time with his family and riding his motorcycle.  Friends received from 10:00 11:00 a.m ,with a memorial service at 11:00 a.m. Saturday, January 23, at Hillside Community Church, 525 North 6th Ave., Altoona.