Tomoko Sekiya Katsuko was born in Japan. She was a dancer in the Holiday in Japan stage show and came to the United States in 1960. The group performed the show at the New Frontier Hotel and Casino, Desert Inn Hotel and Casino, and Dunes Hotel and Casino in Las Vegas, Nevada in the early 1960s. After the show concluded, she stayed in the United States and eventually married Larry Billman in 1967. The couple went on to have two children, Sekiya Billman and Saadia Billman.
Sources:
“Larry Billman,” IMDb.com. Accessed December 15, 2020. https://www.imdb.com/name/nm0082566/bio.
"Holiday in Japan" dancers joint oral history interview, 2011 May 26. OH-00954. Audio recording. Oral History Research Center, Special Collections and Archives, University Libraries, University of Nevada, Las Vegas. Las Vegas, Nevada.