Complex sentence: Tony Jaa officially registered his marriage to longtime girlfriend Piyarat Chotiwattananont on 29 December 2011, the wedding ceremony was held on 3 May 2012.
Split into simpler sentences: Tony Jaa officially registered his marriage to longtime girlfriend Piyarat Chotiwattananont on 29 December 2011. The wedding ceremony was held on 3 May 2012.