Bela IV of Hungary
Bela IV of was born in 1206.  He died at the age of 64 on May 3rd, 1270.

 Maria Laskarina
Maria was born about 1206.  She died in 1270.

 Stephen V (Istvan) of Hungary
Stephen V (Istvan) of was born in 1239 in Budapest, Hungary.  He died at the age of 33 in 1272 in Budapest, Hungary.