Casko, Nelson Francisco, of Raleigh, North Carolina, Decemebr 22nd, 2010 at age 39, formerly of Somerville. Devoted husband of Eduarda (Mendonca) Casko. Loving father of Rachel, Kaitlyn and Austin Casko. Beloved brother of Maria Miranda, Lucy Martinez and Oscar Moran. Also survived by nieces, nephews and other loving relatives and friends. Funeral from the Rogers Funeral Home, 380 Cambridge St., Cambridge, Wednesday at 8 am. Funeral Mass at St. Joseph's Church, 262 Washington Street (Union Square), Somerville, MA at 9 am. Visiting Hours Tuesday 4 to 8 pm. Interment at Woodlawn Cemetery, Everett, MA