I have several ALEXANDERS from Hungary and from a Jewish line...
Mor ALEXANDER (d. 1917/8) m. Ilona ROSENBAUM
Their Children are:
1. Roszi ALEXANDER (b. Jan 10, 1900, Bekescaba; d. Oct 23, 1923 in childbirth - had daughter Barbara "Babu" SPINNER) m. Joseph SPINNER?
2. Irene ALEXANDER (b. May 31, 1909 d. Oct 1975) m. Joseph SPINNER & raised niece Barbara - after Joseph died, married Tibor JANKAY - lived in California, USA after leaving Hungary
3. Magda ALEXANDER (b. 1901/2 Bekescsaba, HU; d. 1917/8 in flu epidemic)
4. Laszlo ALEXANDER (b. Oct 30 1903 Bekescsaba, HU; d. Feb 1943) m. Margit ROSNER (Two children, Eva & Gyorgy)
5. - 7.+ More, yet Unknown children
Perhaps there is a match - let me know if you have more info...