Sonia Stamfordis

Sonia Stamfordis is Randall Goedler’s estranged sister and the mother of twins named Pip and Emma. She never appears in the novel’s events, but her family history becomes crucial when the terms of Randall’s will reveal that her children may inherit his fortune if Letitia Blacklock dies before Belle Goedler. The uncertain identities and whereabouts of those heirs turn Sonia’s past into a live question in the murder investigation.

Family Background and Estrangement

Sonia married Dmitri Stamfordis, a man Randall regarded as a crook. Letitia Blacklock recalls him as Greek or Romanian, though she cannot confidently identify his nationality; she does remember his name. Randall disapproved of the marriage and had quarrelled with Sonia, but Sonia was already wealthy in her own right. He had settled money on her in arrangements intended, as far as possible, to prevent her husband from gaining access to it.

The rupture was lasting. Belle Goedler remembers Randall reading a message from Sonia and responding that Sonia would regret marrying her husband. The Goedlers then forgot about her, and she disappeared from their lives. Belle later confirms that neither she nor Randall heard anything further from Sonia or her children: they might be dead or might be anywhere.

The Twins and the Inheritance

Sonia’s only known communication after her marriage was a letter to Belle, asking her to tell Randall that she was happy and had just given birth to twins, whom she had named Pip and Emma. Letitia knows of no later letter and cannot say what became of the family. The twins’ existence is therefore established, but their later lives and whereabouts remain uncertain at the point when the inheritance becomes an investigative concern.

Randall’s fortune was placed in trust for Belle during her lifetime, with the remainder to pass absolutely to Letitia. The will also included a substitute inheritance for the case in which Letitia died before Belle. Belle says that she herself suggested naming Sonia’s children: when Randall objected to Sonia inheriting because he did not want her husband to get his money, Belle proposed Pip and Emma, adding that there might by then be more children. Randall reluctantly agreed to include them because he could think of no other suitable beneficiaries and did not want to leave the money to charity.

Significance to the Investigation

At first, Letitia treats the twins as a remote possibility, saying she supposes the money would go to them if she predeceased Belle. Once Inspector Craddock understands the will’s alternative provision, he points out the practical consequence: had Letitia been killed, at least two people could have stood to inherit a very large fortune. The family story that Letitia recounts with amusement thus shifts from an obscure piece of Randall’s history into a possible motive for murder.

Sonia’s significance lies in the gap between legal entitlement and known identity. Her children are named in the will, yet neither Letitia nor Belle can account for what became of them. The inheritance depends on a particular order of deaths, while the investigation must consider heirs whose existence is known only through Sonia’s brief letter and the recollections of others. In this way, Sonia’s absence helps make the fortune—and the people who might claim it—part of the mystery.