Relationship maps for people, groups, companies, and more.

The most famous small network in science. 34 club members, 78 friendships, and a fight that split the club in two.

How the Medici took Florence by marrying well. John Padgett's classic map of 15 families and 20 marriages.

Ten people and one question: who is the most central? David Krackhardt's textbook network has three different answers.

The Corleones and the Five Families, from the 1945 wedding to the boat on the lake. Scrub the timeline and watch Michael end up alone.

The 2015 founders, the walkout that became Anthropic, and the five days in 2023 when the board fired its CEO and took him back.

Every relationship in the show, colour-coded by kind. Play the tour, or scrub the timeline from 2008 to 2013 and watch the network thin out.

Who gets Waystar RoyCo? Four children, three marriages, and a father who kept moving the finish line.

Fifty people across the series, Pusu and the films. Scrub from 2003 to 2017 and watch three generations of enemies replace each other.

Four people started an accelerator in 2005. Twenty years on, a third of its partners are founders it funded.

Tony's two families, at home and at the Bada Bing, and how he never kept them apart. Scrub from 1999 to 2007 and count who is left.

The British royal line from George VI to the present, and the marriages that kept redrawing it.

One payments company in 1999, and the companies its founders and early employees went on to start.

The Shelbys of Birmingham, from a betting shop to Parliament. Scrub from 1919 to 1934: the enemies change, the family does not.

Baltimore over five seasons: the corner, the docks, the school and City Hall. Scrub from 2002 to 2008 and watch Marlo replace Barksdale while the police stay the same.

A crew named after cities, and a plan that needed nobody to get close. Almost every line here is one the Professor told them not to draw.

A New Jersey property family, a conviction, a marriage into a presidency, and the Gulf money that followed.

Five marriages, six children, and a trust that took a Nevada courtroom to settle. The real version of a story television has already told twice.

Three generations of an American political family, the offices they held, and how many died young. Scrub from 1930 to 2000.

American families, Gulf funds and private equity, and the deals that link them. Here the lines are money, not blood.

Four centuries of marrying Europe rather than fighting it, and the cousin marriages that ended the Spanish line. Scrub the timeline from 1450 to 1720.

The family and the viziers around Süleyman the Magnificent, and how the succession was settled by execution. Scrub the timeline from 1520 to 1580.

Bernard Arnault put all five of his children inside LVMH and has not said which one gets it.

Fiat, Ferrari and Juventus, held by one Turin family for four generations, and a succession that skipped a generation entirely.

Four generations of Türkiye's largest industrial dynasty, and how the chairmanship of Koç Holding passed down it.

From a cotton mill in Adana to a holding company, and the granddaughter who ended up running it.

The Starks, the Lannisters, the Targaryens and the people in between: every marriage, oath and betrayal that decides the war, across all eight seasons.

Harry, his friends, two generations of the Order and the Death Eaters: the ties behind all seven books, from the Marauders to the Battle of Hogwarts.

Dunder Mifflin Scranton as a network: who reports to Michael, who dates whom, and who cannot stand whom, across all nine seasons.

An example sociogram of a made-up class of sixteen: each arrow is one pupil choosing a classmate to work with. Find the stars, the cliques, the bridge and the unreturned choices.

An example stakeholder map for a made-up decision: a town council weighing a private redevelopment of its library. Who decides, who is allied, who opposes, and what is only rumoured.