Dolly Walburga was young when she married her husband, Fred Oesterreich. The pair lived in Milwaukee, Wisconsin where Dolly is believed

Dolly Walburga was young when she married her husband, Fred Oesterreich. The pair lived in Milwaukee, Wisconsin where Dolly is believed to have had several brief extramarital affairs before she met then-17-year-old Otto Sanhuber around 1913.

The two began an affair that would last for more than a decade and culminate in the death of Dolly's husband. When a neighbor noticed the frequency of Sanhuber's visits to the Oesterreich home, Dolly came up with a plan that would enable them to be together without fear of discovery. She suggested that Sanhuber move into the attic above her bedroom. The young man quickly agreed, not only because the arrangement put him in closer proximity with his lover, but because it gave him the freedom to pursue his interest in writing for the pulps. Sanhuber came out during the day only to make love to Dolly Oesterreich. At night, he worked on his writing by candlelight.

Dolly's husband, Fred, remained unaware of the new "boarder", though on several occasions he came close to discovering the deception. When the Oesterreichs moved to Los Angeles in 1918, Dolly had already sent Sanhuber on ahead to await their arrival. Dolly deliberately chose a new house with an attic (somewhat of a rarity in Los Angeles) and once again Otto moved in to resume their affair.

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