SPOILER ALERT:  Readers wishing to avoid "spoilers" should not consult this document before reading A Mystery in Scarlet, chapter XXIX (London Miscellany no. 10).

This family tree illustrates the relationships between the major historical and fictional characters that appear in A Mystery in Scarlet. It also reveals the dynastic ties that link these characters to other Stuart and Hanover historical figures, informing the usurpation plot.