House of Guinness · A Viewer's Companion
Dublin, 1868. Sir Benjamin Guinness — the richest man in Ireland — is dead, and his will ties his four very different children to the brewery and to each other. Cream borders mark Guinness blood (the head on the pint), green marks the ones who married their way in, and copper is the Dublin world the family pretends not to need — foremen, fixers and Fenians.
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Five things the show expects you to keep straight — the will, the politics, and who arranged whose wedding.
Sir Benjamin's will is read in the very first hour, and it is a trap dressed as a gift: the brewery goes jointly to Arthur and Edward — and if either brother walks away, he forfeits his entire inheritance. Anne, the eldest, gets nothing of the business; Ben is fobbed off with a modest trust. Every feud in the season flows from that piece of paper.
Steven Knight built the show on the real Guinness family of 1868 — the four siblings, their marriages, even Adelaide the cousin-bride are drawn from history. But the Cochranes, Rafferty, Byron and most of the scheming are invention. This chart follows only what the show depicts, not the real family's record.
The brewery is Dublin's biggest employer, and its money and its politics lean toward England. The Irish Republican Brotherhood — the Fenians — want Ireland back, and the Cochrane siblings are their local edge: Ellen turns what she knows about Arthur into leverage, while Patrick prefers fire to letters.
Aunt Agnes draws up the shortlists. Arthur weds Lady Olivia — an arrangement that suits them both, for very different reasons. Edward weds his cousin Adelaide — mutual respect, by their own frank accounting, not romance. Ben weds Lady Henrietta — and shatters Christine O'Madden in the process.
The Guinness reach runs through Bonnie Champion's export trade to a rougher Irish world across the Atlantic. Byron Hedges is sent to build the American business — and buys peace with the American Brotherhood at 15% of profits, a price that enrages Edward. Patrick is exiled there too — and doesn't stay put.
A family that reuses its own names for four generations, plus two Hedges and two reverends. Keep these apart:
Sir Benjamin is the dead patriarch whose will runs the whole season. Ben is his charming middle son — the one that will leaves almost nothing.
Not this one. The Arthur Guinness who signed the 9,000-year lease in 1759 is the long-dead founder. Anthony Boyle plays his great-grandson and namesake — the reluctant new head of the firm.
Lady Olivia Hedges-White is the aristocrat who marries Arthur. Byron Hedges is her relation, all charm and schemes — and secretly an illegitimate Guinness himself, born of a Guinness mother and a Fenian father.
Sister and brother Fenians. Ellen (she) works with words and leverage. Patrick (he) burns what he cannot argue with — and comes home from exile carrying a gun.
Olivia → Arthur. Adelaide — the siblings' own cousin — → Edward. Henrietta → Ben. And Christine O'Madden is the one who doesn't get a brother at all.
Rev. Henry Grattan is the siblings' crusading uncle, at war with the drink itself. Rev. William Plunket is Anne's husband — inside the family, and much quieter about the source of the money.
Three non-family men in every second scene. Sean Rafferty — brewery foreman and the family's fist. John Potter — the butler who hears it all. Bonnie Champion — exporter above the counter, kingpin beneath it.
The man Arthur actually loves, kept carefully out of Dublin society — and, when it matters most, the life Arthur cannot leave with.
A healer out in the Galway countryside, far from the Dublin drawing rooms — who pulls Anne through her darkest stretch of the season.
Ben's closest friend, and plainly more than that to her — until his wedding day nearly destroys her.
Chart reflects Season 1 of House of Guinness (Netflix, 2025) — spoilers to there. These are fictionalized versions of real people; the chart follows what the show depicts, not the real family's later history. Portraits are stills from the show's wiki, cropped and served from this site; the wiki only carries images of the four siblings, so everyone else wears an initials monogram.