Complex sentence: Moved by the couple's desperate plea for her aid, Victoria agreed to help but noted that she thought the obstacles rendered success unlikely, including her expectation that Hélène's father would not consent to his daughter's change of faith.
Split into simpler sentences: Moved by the couple's desperate plea for her help, Victoria agreed to assist them but stated that she thought there were may obstacles that would render success unlikely. This included her expectation that Hélène's father would not consent to his daughter's change of faith.