Citrus & Sweet Wine Marmalade

Zest and juice oranges, tangelo and lemon into a large saucepan.
Add ginger slice, water, wine and brown sugar.
Bring to a boil, reduce heat, then cover and boil 30 minutes. Remove ginger slice.
Stir in the sugar, bring back to a boil and cook uncovered until mixture forms a gel, about 15 minutes, stirring frequently. Remove from heat and ladle into hot jars.
Process for 10 minutes in a hot water bath.