When Janna Jager was born on 19 March 1797, in Heteren, Gelderland, Netherlands, her father, Derck Jager, was 50 and her mother, Hendrijna van Reeden, was 32. She married Jan Willem Jansen on 19 February 1815, in Hemmen, Gelderland, Netherlands. They were the parents of at least 5 sons and 10 daughters. She died on 2 May 1839, in her hometown, at the age of 42.
Some characteristic forenames: German Bernhard, Dieter, Gunter, Hans, Irmgard, Kurt, Wilhelm, Wolfgang.
German (also Jäger) and Jewish (Ashkenazic; Jäger); Dutch: occupational name for a hunter, from Middle High German jeger(e), Middle Low German jeger(e), Middle Dutch jagher ‘hunter’. See also Jaeger , compare Yager and Yauger .
Slovenian; Slovak (mainly Jáger, also Jäger): occupational name for a hunter, from jager (Slovak jáger), a colloquial loanword from Middle High German (see Jaeger ). This surname is also found in Czechia (also Jáger) and Croatia. Compare Yager .