Question: Where was the wife of Jean-Édouard Bommer born?

Knowledge 1: Jean-Édouard Bommer
Joseph (Jean) Édouard Bommer (17 November 1829, Brussels – 29 February 1895, Brussels) was a Belgian botanist specializing in the field of pteridology.He was the husband of mycologist Elisa Caroline Destrée de Bommer (1832-1910).Despite no formal training in botany, in 1856 he acquired a position as an assistant at the "Jardin Botanique National de Belgique".Here, he later served as curator and as a provisional director.In 1870 he became a professor at the state horticultural school in Vilvorde, followed by a professorship in botany at the University of Brussels (1872).In 1862 he was a founding member of the "Société Royale de Botanique de Belgique".He was also co-founder of the "Société Belge de Microscopie".Although he worked on different types of plants, he was primarily interested in ferns.At the time of his death, he was working on a monograph of the maidenhair fern genus, "Adiantum".The genus "Bommeria"  of the family Pteridaceae is named in his honor. [SEP] Knowledge 2: Elisa Caroline Bommer
Elisa Caroline Bommer née Destrée (19 January 1832 in Laeken – 17 January 1910 in Brussels), was a Belgian botanist specialising in mycology, and was the wife of pteridologist and collector Jean-Édouard Bommer (1829-1895), who was professor of botany at University of Brussels in 1872.
Knowledge 1: Jean-Édouard Bommer
Joseph (Jean) Édouard Bommer (17 November 1829, Brussels – 29 February 1895, Brussels) was a Belgian botanist specializing in the field of pteridology.He was the husband of mycologist Elisa Caroline Destrée de Bommer (1832-1910).Despite no formal training in botany, in 1856 he acquired a position as an assistant at the "Jardin Botanique National de Belgique".Here, he later served as curator and as a provisional director.In 1870 he became a professor at the state horticultural school in Vilvorde, followed by a professorship in botany at the University of Brussels (1872).In 1862 he was a founding member of the "Société Royale de Botanique de Belgique".He was also co-founder of the "Société Belge de Microscopie".Although he worked on different types of plants, he was primarily interested in ferns.At the time of his death, he was working on a monograph of the maidenhair fern genus, "Adiantum".The genus "Bommeria"  of the family Pteridaceae is named in his honor. [SEP] Knowledge 2: Catherine Exley
Catherine Exley was the wife of a soldier and accompanied her husband when he served in Portugal, Spain and Ireland during the Napoleonic Wars.She is best known as the author of a diary that gives an account of military life in that era from the viewpoint of the wife of a common soldier.
Knowledge 1: Jean-Édouard Bommer
Joseph (Jean) Édouard Bommer (17 November 1829, Brussels – 29 February 1895, Brussels) was a Belgian botanist specializing in the field of pteridology.He was the husband of mycologist Elisa Caroline Destrée de Bommer (1832-1910).Despite no formal training in botany, in 1856 he acquired a position as an assistant at the "Jardin Botanique National de Belgique".Here, he later served as curator and as a provisional director.In 1870 he became a professor at the state horticultural school in Vilvorde, followed by a professorship in botany at the University of Brussels (1872).In 1862 he was a founding member of the "Société Royale de Botanique de Belgique".He was also co-founder of the "Société Belge de Microscopie".Although he worked on different types of plants, he was primarily interested in ferns.At the time of his death, he was working on a monograph of the maidenhair fern genus, "Adiantum".The genus "Bommeria"  of the family Pteridaceae is named in his honor. [SEP] Knowledge 2: Empress Shōken
, also known as, was the wife of Emperor Meiji of Japan.

Answer: Laeken