Book  (1936)  Page(s) 33.  
 
d'Arenberg, Duc Engelbert (HT) Soup. & Nott. 1899; M. Lombard X Belle Siebrecht; alabaster-white, center flesh-pink, very large, double, imbricated, upright stems, very floriferous, fragrance 7/10, growth 8/10, bushy.

d'Arenberg, Duch. Engelbert Soup. & Nott. 1899; parentage as above; ?

Magazine  (3 Jun 1911)  Page(s) 266.  
 
The Parentage of Roses.
The following list of the world's Roses and their parentage has been compiled by Mr. Robert Daniel, 38 Russell Road. Fishponds, Bristol, and by his kind permission we are enabled to publish it...
Duc Eugène d'Arenberg [sic]... Hybrid Tea, Soupert, 1898, Mme. Lambard X Mrs. W. J. Grant

Book  (1910)  Page(s) 327.  
 
Duc Engelbert d'Arenberg [Hybrid Tea]; outer petals alabaster white, centre of flowers pale rose; large, full, and imbricated; growth vigorous.

Website/Catalog  (1909)  Page(s) 75.  
 
Duc Engelbert d'Aremberg  T. Outer petals alabaster white, centre of flower pale rose, a fine rose. 

Magazine  (1899)  Page(s) 211.  
 
Duc Engelbert d’Aremberg (Soupert e Notting), fiore grandissimo, doppio, imbricato, odorosissimo,bianco alabastro, col centro rosa chiaro. Pianta vigorosissima e molto fiorifera, ottenuta da Madame Lombard x Belle Siebrecht.