Tuhia he haere tonu mo tenei irava - Ko Count Gérard Le Grelle, te tama a Joseph J. Le Grelle, he kaitiaki putea me te whakatu i nga kamupene inihua Securitas (1819) me L'Escaut (1821). Kaore i pai tana ahuatanga, i te mea kei te kaha haere te tautoko a te ao pakihi ki te Orangism (Republic Dutch) i te wehi ki te kite i te Scheldt kua aukatihia ano e te Netherlands. He kaitautoko o Belgium mai i tana kura i Brussels me te Ahorangi Jean-Baptiste Lesbroussart, i kii a Gérard i a ia ano, i waenga i te 1815 me te 1830, na te kore e whakaae ki tetahi tari whakahaere, ki tetahi tari torangapu ranei i raro i te kawanatanga o Netherlands, tae atu ki te whakakore i tetahi tono kia tohua hei kaunihera taone. I pai ia ki te arotahi i tana kaha ki te taone o Antwerp me tana peeke. I te taha o ona tuakana a Henri (1798-1872) me Edmond (1805-1876), ko ia te kaha ki muri i te peeke, i whai waahi nui ki te putea i te taone nui o Antwerp i muri i te mana motuhake o Belgium
i te tau 1830. I te taha o te Peeke Rothschild, ko te Peeke Le Grelle tetahi o nga kaiwhakawhiwhi moni nui o nga Papal States (i taua wa e tohu ana i te hauwhā o Itari, mai i te tonga o Roma ki Bologna) i mua i te whakakotahitanga o Itari na roto i te Peeke a Peter i te 1854 me te 1864. Ko te ingoa o Count Gérard Le Grelle e piri tonu ana ki tetahi petihana rongonui mo te herekore whakapono i te 1825, i whiwhi ai ia i te tautoko a Roma i te 1852.