Yes he has two sisters and a brother. Denise Dunn, Renee Dunn, and Johnny Dunn.
Ronnie Spector's birth name is Bennett, Veronica.
Ronnie Kerr's birth name is Ronald George Smith III.
I've read on a few different wikipedia-like pages that besides brothers Donnie of .38 Special and Johnny who took over as Skynyrd frontman in 1987 that Ronnie also had 3 sisters. I've never seen their names written anywhere officially, but the statement about his also having 3 sisters is on a few different links about Ronnie.
Your sisters name is the title used when addressing your sister.
The main characters, or the sisters last name of this show is Halliwell.
As the characters yes they are sisters but not in real life.
Ronnie Lippin's birth name is Ronnie Friedlander.
Ronnie Martin's birth name is Ronnie Monica.
Ronnie Armani's birth name is Aaron Ronnie Almani.
Ronnie Bradford's birth name is Ronnie Lee Bradford.
Ronnie Peterson's birth name is Bengt Ronnie Peterson.
Ronnie Harmon's birth name is Ronnie Keith Harmon.
Ronnie Rowe's birth name is Ronnie Fitzroy Rowe Jr..
Ronnie Jay Leipold's birth name is Ronnie Jay Leipold.