Where you stand is that you are not entitled to anything.
1. Pension sharing is only available to couples beginning divorce proceedings after the legislation came into force (1 December 2000). You were divorced in 1999.
2. You remarried in 2003 so unless any financial claims were made in the divorce petition and you were the person who issued the divorce petition you will have lost your rights to apply to the court for financial relief in respect of the marriage when you remarried.
3. He died 14 years ago. There is a six month time limit for making a claim against an estate (assuming that there ever was such a claim which is extremely doubtful in this case).