Although there appears to be many variants to the spelling of his name, Delalande seems to be the way the family wrote it, but a recent scholarly work has it as De Lalande.
JEAN DE RESZKE THE COMPLETE MAPLESON CYLINDERS CDR
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*JEAN DE RESZKE, ALSO SPELLED JAN RETZSKÉ, ORIGINAL NAME JAN MIECZYSLAW,
(BORN JAN. 14, 1850, WARSAW, POL., RUSSIAN EMPIRE [NOW IN POLAND]—DIED
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