Question: Danielle Ryan (born 1983) is an Irish heiress, being the daughter of Capt. Cathal Ryan and granddaughter of Tony Ryan,  co-founder of Ryanair with Christy Ryan and Liam Lonergan, and founder of GPA, which is an acronym for ?
Sentence (from "Tony Ryan"): Ryanair was believed to be the main source of his wealth in later life: the company is now one of the biggest airlines in Europe and is valued at over 10 billion US dollars as of 2012.
Relevant evidence: No