"Jiao" is not a bad name, but it's not a typical name either...
Here are some potential names you could use...
"Diao" ~ "Dianne"
"Jiao" ~ "Jill" / "Jane" / "Jenny"
"Renjiao" ~ "Regina" (like Regina Belle, the singer)... Then you could shorten that to "Gina", which is an awesome name!