Edward FitzGerald later commented that all of his relatives were mad; further, that he was insane as well, but was at least aware of the fact...
مادرش مری فرانسیس فیتزجرالد پورسل، دختر اشراف زاده‌ای دیگر از نوادگان ارل‌های کیلدر و دختر عموی جان پورسل بود.