Birth:

The Danish passport of Georg list him born in 1809 while the gravestone in Heidelberg gives 1814 as his birth year.

SOURCE: Aczel, Amir D.; "The Mystery of the Aleph: Mathematics, the Kabbalah, and the Search for Infinity"; page 93.

Marriage:

Georg and Marie married in a Lutheran ceremony in St. Petersburg in April 21, 1842.

SOURCE: Aczel, Amir D.; "The Mystery of the Aleph: Mathematics, the Kabbalah, and the Search for Infinity"; page 93.

SOURCE: Dauben, Joseph Warren; "Georg Cantor: his mathematics and philosophy of the infinite", page 274. http://books.google.no/books?id=-cpFeTPJXDIC&lpg=PA274&ots=-P8ZYpq9sd&dq=Joseph%20Bohm%2C%20director%20of%20the%20conservatory&pg=PA274#v=onepage&q=Joseph%20Bohm,%20director%20of%20the%20conservatory&f=false

BIO

Georg Woldemar Cantor came to St. Petersburg as a child with his mother and was baptised there in a Lutheran ceremony. He was born in Copenhagen, sometime 1810-1815 from parents of "israelitischen Eltern", i.e. lilkely at least one of the parents belonged to a Jewish family.

SOURCE: Extract provided by Julio Gonzalez Cabillon of Georg Cantor's letter to Paul Tannery [reprinted in Tannery's Memoires Scientifiques: Correspondance, edited by A. Dies, and published by J.-L. Heiberg & H.-G. Zeuthen, vol. XIII, Toulouse: E. Privat; Paris: Gauthier-Villars, 1934] [http://sunsite.utk.edu/math_archives/.http/hypermail/historia/dec99/0205.html