Steffi Graf Family Tree: The Story Behind Tennis's Golden Slam

Stefanie Maria "Steffi" Graf, born 14 June 1969 in Mannheim, West Germany, won 22 Grand Slam singles titles (only Margaret Court and Serena Williams have more) and is the only player in tennis history to win the Golden Slam — all four Grand Slams plus the Olympic gold in a single year (1988).

The Family's Roots: Brühl, Germany

The Graf family is from Brühl, near Mannheim in southwestern Germany.

Her Parents

Father: Peter Graf (1938–2013) — insurance and used-car salesman; Steffi's lifelong coach; later convicted of tax evasion in 1997 and imprisoned 25 months.

Mother: Heidi Graf — homemaker; later separated from Peter.

Her Brother

Michael Graf, born 1965 — Steffi's elder brother.

Her Husband: Andre Agassi

Andre Kirk Agassi, born 29 April 1970 — American tennis legend; won 8 Grand Slams; first man to win all four majors on three surfaces and the Olympic gold (career Golden Slam). Steffi and Andre married in October 2001.

Their Children

Jaden Gil Agassi, born October 2001 — son; baseball player.

Jaz Elle Agassi, born October 2003 — daughter.

The Graf Family Tree at a Glance

Family Origins: Brühl, near Mannheim.

Father: Peter Graf (1938–2013) — insurance/car salesman; Steffi's lifelong coach.

Mother: Heidi Graf.

Brother: Michael Graf (b. 1965).

Husband: Andre Agassi (married October 2001) — 8-Grand-Slam tennis legend.

Children: Jaden Gil Agassi (b. October 2001); Jaz Elle Agassi (b. October 2003).

Steffi Graf:

  • Born 14 June 1969, Mannheim
  • Tennis from age 3 (father coached her from the start)
  • Pro debut October 1982, age 13
  • Grand Slam titles: 22 — Australian Open ×4 (1988, 1989, 1990, 1994); French Open ×6; Wimbledon ×7; US Open ×5
  • Olympic gold: 1988 Seoul (singles)
  • 1988 Golden Slam: only person ever to win all four Grand Slams plus Olympic singles gold in the same calendar year
  • WTA World No. 1: 377 total weeks (record)
  • Retired August 1999, age 30

What the Graf Family Story Teaches Us

A coach-father who was also her sole coach for her entire career — until the 1997 tax conviction made things complicated. A homemaker mother. An elder brother. A 24-year marriage to one of the male game's greatest. Two children. A 1988 Golden Slam that has never been repeated.

For every family — large or small, famous or otherwise — the Graf story carries the same lesson. When two greats marry, the family record holds both careers. The Agassi-Graf household has a combined 30 Grand Slam singles titles between two parents. Write down what each parent achieved before marrying. The pre-marriage records are part of the joint family record.

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