tˈɑːməs ɹˌoʊmən θɹˈiː mˈæɹid ɪn wˈʌn θˈaʊzənd tˈuːhˈʌndɹɪd sˈɛvənti fˈoːɹ tə ɡˈɪə ʌv bˈɜːɡʌndi, ðə stˈɛpdɔːɾɚɹ ʌv hɪz ˈʌŋkəl fˈɪlɪp aɪ ʌv sɐvˈɔɪ ænd ðeɪ hæd fˈaɪv tʃˈɪldɹən:
Thomas III married in  1274 to Guia of Burgundy, the stepdaughter of his uncle Philip I of Savoy and they had five children: