Matias was the son of István II Frangepán de Veglia and Isotta d'Este. The date and place of his birth have not been found.
His wife was Francesca della Scala. They were married, but the date and place have not been found. Their only known child was Giovanni Cristoffero (c1450-1493).
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István II Frangepán de Veglia |
Miklós IV Frangepán de Veglia |
János V Frangepán de Veglia |
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Anna von Görz |
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Miklós I Garai de Gara |
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Isotta d'Este |
Niccolò III d'Este |
Alberto I d'Este |
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Isotta Albaresani |
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