尚 is a relatively rare but real Chinese surname (also a given-name character meaning 'still/yet, esteem');
桓 (huán) is a literary character meaning 'great, brave' — historically the personal name of Duke Huan of Qi (
齐桓公), one of the Spring and Autumn Period's Five Hegemons. Together
尚桓 is most often a strong-sounding masculine given name.