▁deal ▁offered ▁by ▁On ass is ' ▁rival , ▁St av ros ▁Ni arch os , ▁and ▁the ▁project ▁was ▁eventually ▁split ▁between ▁them . ▁The ▁failure ▁was ▁due ▁partly ▁to ▁opposition ▁from ▁influ ential ▁people ▁within ▁the ▁military ▁jun ta , ▁such ▁as ▁Io ann is - Or land os ▁Rod inos , ▁Deput y ▁Minister ▁of ▁Econom ic ▁Co ord ination , ▁who ▁opposed ▁On ass is ' s ▁offers ▁in ▁preference ▁to ▁Ni arch os . ▁ ▁Rel ations hips ▁and ▁family ▁ ▁Ath ina ▁Liv anos ▁ ▁On ass is ▁married ▁Ath ina ▁Mary ▁" T ina " ▁Liv anos , ▁daughter ▁of ▁sh ipping ▁magn ate ▁St av ros ▁G . ▁Liv anos ▁and ▁Ari etta ▁Z af rik ak is , ▁on ▁ 2 8 ▁December ▁ 1 9 4 6 . ▁Liv anos ▁was ▁ 1 7 ▁at ▁the ▁time ▁of ▁their ▁marriage ; ▁On ass is ▁was ▁ 4 0 . ▁On ass is ▁and ▁Liv anos ▁had ▁two ▁children , ▁both ▁born ▁in ▁New ▁York ▁City : ▁a ▁son , ▁Alexander ▁( 1 9 4 8 – 1 9 7 3 ), ▁and ▁a ▁daughter ▁Christ ina ▁( 1 9 5 0 – 1 9 8 8 ). ▁On ass is ▁named ▁his ▁legend ary ▁super - y acht ▁after ▁his ▁daughter . ▁To ▁On ass is ▁his ▁marriage ▁to ▁Ath ina ▁was ▁more ▁than ▁the ▁ful fill ment ▁of ▁his ▁amb itions . ▁He ▁also ▁felt ▁that ▁the ▁marriage ▁de alt ▁a ▁blow