Geoffrey Swan was the husband of Helen Swan; the father of Charlie Swan, and the grandfather of Bella Swan. He became the grandfather-in-law of Edward Cullen after his marriage to Bella, and the great-grandfather of Renesmee Cullen. He had never appeared in the series.
Biography
It is mentioned in The Twilight Saga: The Official Illustrated Guide that he and Helen assumed they could not have children, so Charlie was an unexpected, but very welcome, surprise.
By the time his son grew up, his health began to deteriorate and worsened through the years. Sometime after Charlie's divorce, he passed away.
See also