Many Biblical names are spelled and pronounced differently in Russian. If you take a name from the English Bible and apply these rules to it, you can make a fair guess at its Russian spelling.
Rule Number
Rule
1
change j to и
2
change b to в
3
change th to ф
4
drop final -us or -as from all names except Jesus. If a vowel is left, add й
5
change final -ah to just -а
6
change u to в or у
7
change w to й
8
drop any remaining h except in Jehovah where it changes to г
< Alphabet 5—Spelling of Biblical Names