Olsen — Denboske Winnie and John Denboske of Grass Valley are pleased to announce the engagement of their daughter, Robin Denboske, to Matthew Olsen. The future bride’s grandparents are Roy and Doris Mitchell of Grass Valley and Dorothy Seals of Grass Valley. The future groom’s parents are Ernie Olsen and Debbie Prisk-Olsen of Grass Valley; his grandparents are Lloyd and Dixie Olsen of Grass Valley. Denboske is a 2008 graduate of Nevada Union High School and is due to graduate in 2013 from California  State University, Sacramento, with a bachelor’s degree in  liberal studies and with a minor in history. …