Yesko
[ˈjɛskoʊ]Background Story
The sources checked do not record yesko as a personal name or give it a meaning.
Temperament

Related Names
Agnar
Old Norse Agnarr, from agi "awe, fear" or egg "sword edge" and herr "army"
BjöRn
Scandinavian male given name meaning "bear"
BjøRn
From Old Norse Bjǫrn, from bjǫrn, "bear"
Bruce
Scottish surname of Norman origin, probably from the town of Brix in France
Kagan
Monro
A Scottish surname
Rosko
A Breton surname from roz, hill, and gov, smith
Sweyn
Son of Sweyne, a name of Old Norse origin meaning 'swine' or 'pig'.
Ulrik
Scandinavian form of Ulrich, from Old High German uodal 'heritage, homestead' + rihhi 'ruler'
Vidar
From Old Norse Víðarr, possibly from víðr "wide" and herr "army, warrior".