Notice the pathway from me to this Helen -
Helen Smythe is your first cousin 13 times removed's husband's niece's husband's brother's 1st wife.
You → Tom Gambrell (your father) → Sol Gambrell (his father) → Robbie Adelaide Gambrell (Hester) (his mother) → Elizabeth Hester (Jones) (her mother) → Alcy Pearl Jones (Mathis) (her mother) → Mary Ann "Polly" (Austin) Mathis (her mother) → Archibald Pruitt-Austin (her father) → Wealthy terry Austin (Pruett) (his mother) → Sarah Elizabeth Pruett (Harrison) (her mother) → Sarah Lewis (Hawley) (her mother) → Henry Hawley, of Virginia (her father) → James Hawley (his father) → Susanna Hawley (Tothill) (his mother) → Richard Tothill (her father) → Grace Tothill (his sister) → Joan Walker Walker (her daughter) → Sir George Smith, MP (her husband) → Robert of Highgate Smyth (Smythe) (his brother) → Helen Rider (Smith) (his daughter) → John Rider, I (her husband) → John Ryder (Rider) (his brother) → Helen Smythe (his wife)
It shows that Robert Smyth of Highgate's daughter was Helen (Smith) RIder who married John RIder I whose brother John Ryder married Helen Smythe
My guess is that these two Johns and Helens are the same people and not that two brothers married women of the same name. ?