Ellen O. (Olson) Sjolander, 90, of Worcester Road died yesterday in Worcester City Hospital, where she had been a patient for a week.  Her husband, Carl O. Sjolander Sr., died in 1964. 

    She leaves three sons, Carl O. Sjolander Jr. and Robert E. Sjolander, both of Worcester, and Richard R. Sjolander, a Princeton selectman; three daughters, Clara A. Oliver of Worcester, and Ruth E. Landgren and Doris E. Landgren, both of Holden; four brothers, Axel and Charles of Orlando, Fla., August Olson of Hillsboro, N.H., and Helmar Olson of Baltimore, Md., seven grandchildren; seven great-grandchildren; and several nieces and nephews. 

    Mrs. Sjolander was born in Cromwell, Conn., daughter of John and Anna Olson, and lived in Worcester for 35 years, moving to Princeton in 1965. 

    Private funeral services will be held at 11 am tomorrow in the Miles Funeral Home, 1158 Main St., Holden, with the Rev. Stanley Keach officiating.  Burial will be in Worcester County Memorial Park, Paxton.  There are no calling hours.  The family requests that flowers be omitted and suggusts donations be made to the Princeton Rescue Fund, % Leo Hurme, Princeton.