Jacques-Julien Margottin (père)
Ivry-sur-Seine, Paris, Bourg-la-Reine (France)
September 7, 1817 Val Saint-Germain - May 13, 1892 Bourg-la-Reine.
In The Old Rose Advisor
, by Brent Dickerson, you'll find some biographical information about Mons Margottin on p. 137... Mons Jules Margottin['s] father's nursery was just opposite the gateway of the horse market, depicted in Rosa Bonheur's famous picture... Mons Margottin, Jacques-Julien, more commonly known as Margottin père... died last May 13th  at his home at Bourg-la-Reine in Val-Saint-Germain..
, p. 168:] Margottin named an 1879 Hybrid Perpetual 'Gloire de Bourg-la-Reine'
[From Annales de flore et de pomone, 1842-43, p. 39:] Margottin, rue des Trois-Ormes, 3, boulevard de la Gare [same street as Victor Verdier]
[From Roll Call: The Old Rose Breeder, p. 329:]
[Jacques-Julien Margottin père
Bourg-la Reine, near Paris