Ok, let me see if a can help without giving out the answers
...
Mi padre de muy joven hermano (here you are talking about the brother, so you need to start "El hermano..."), ______,
estaba casado (wrong tense) cuando
tenía catorce años y (person missing here, you are not talking about the brother anymore) era un
o (feminine here since it is about you) de (article here) damas de
honoras (this word does not exist). Mi segund
o (femenine again)
mayor hermana (in Spanish the noun comes first), _______,
fugaba (again wrong tense) cuando tenía quince años.
You can try to correct yourself now