She was preceded in death by: her husband, Fred Hartmann, who died in 1982; sister Emily Mainz; brothers, Father Henry Rolf and Lester Rolf.
She is survived by: Step-sons Charles Hartmann and wife Joyce, of San Antonio, TX, Fred Hartmann, Jr. and wife Dorothy of Lufkin, TX and Anthony Hartmann and wife Patti of Houston, TX; and numerous nieces and nephews.
The family wishes to express special thanks to her neighbors for their loving care of Margaret.
