She is married to Johan (Juan II) van Castilie.
They got married
Maria van Aragon<br>Gender: Female<br>Birth: 1395<br>Marriage: Johan van Castilie1420-08-04Avila<br>Death: Feb 18 1445 - Villacastin<br>Father: Ferdinand van Aragon<br>Mother: Eleonore Urraca van Castilie<br>Child: Hendrik van Castilie<br>Source: View the original recordGenealogieOnline website<br>Source Remarks: Some family trees were posted years ago and have later been removed. In such cases, the link to the original record will not work.