Sinsinawa Dominican Sister Christiane Althaus, 86, died Dec. 14 in Hazel Green, Wisconsin.

Born in Mundelein, Sister Christiane made her first vows in 1954 and her perpetual vows in 1957.

She taught in the classroom for 39 years and taught music for one year, with seven more as choir teacher while serving as classroom teacher. Sister Christiane worked and volunteered in the archives at the motherhouse for 20 years. Sister Christiane served in Oklahoma, Wisconsin, Minnesota, Illinois and Alabama.

In the Archdiocese of Chicago, Sister Christiane taught at St. Brendan (1968-1970); Immaculate Conception, Waukegan (1970-1974); and Sts. Faith, Hope and Charity, Winnetka (1974-1983).

She is survived by a brother, Lasallian Christian Brother Louis Althaus.