\/Q; Intelligencer photo by Chris Malette Five generations It's not all that often five generations of any one family gather to celebrate the birthday of the family matriarch. Sunday, Grace Van- Dusen, seated, held court as four generations of her descendants gathered to celebrate her 80th birthday. On her lap is great-great i granddaughter, Elisha Jones, 3; and from left: daughter, Viola Liddle; great granddaughter Tammy Jones; granddaughter Valerie Whiteman and VanDusen's great-great grandson, Justin Jones, eight months.