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According to Nevada State law your 2003 marriage is void.
NRS 125.290 Void marriages. All marriages which are prohibited by law because of:
1. Consanguinity between the parties; or
2. Either of the parties having a former husband or wife then living, if solemnized within this State,
are void without any decree of divorce or annulment or other legal proceedings. A marriage void under this section shall not bar prosecution for the crime of bigamy pursuant to NRS 201.160.
[18:33:1861; B § 211; BH § 487; C § 498; RL § 2354; NCL § 4066]—(NRS A 1959, 195; 1967, 531; 1973, 201)
This means that you didn't need to have any legal proceeding to annul your marriage. Your 2013 marriage is safe.