I am on an island in the sea. I _ (not/know)

I am on an island in the sea. I _ (not/know) where the island is. I need help. Please, contact my children. _ (they) names are William and Peter Grant. William is _ (old) then Peter. William is a student. He _ ( study) at London University. He is going to become a doctor. I _ (get) to this island two months ago. The island green but I feel very lonely here. I know you are a kind person and you _ ( help) me. thank you!