Three children, two parent branches and a twelve-year gap between family chapters

Gillian Anderson’s 3 Children: Piper, Oscar and Felix

Piper arrived during the early X-Files years; Oscar and Felix were born more than a decade later in London. That gap shapes Anderson’s own public reflections on returning to work and taking more recovery time after later pregnancies.

Piper is an adult with some public creative history. Oscar is a private young adult and Felix remains a minor. Equal space does not require invented careers for all three.

The twelve-year gap between Piper and Oscar is not trivia: it explains why Anderson’s accounts of work after childbirth come from different production eras and should not be flattened into one routine. It also places the three siblings at very different current life stages. Piper can have an adult public history while Oscar remains a private young adult and Felix retains the stronger privacy boundary owed to a minor.

Gillian Anderson’s children at a glance

Piper is Oscar’s and Felix’s maternal half-sister. Oscar and Felix share both parents.

Piper’s middle name, Maru, echoes the X-Files episode title later used for “Piper Maru”; it is part of her public name, not evidence that her adult identity belongs to the series.

Piper Maru Klotz’s public record

Piper was born during production of The X-Files. Anderson and Clyde Klotz met on the series, married in 1994 and later divorced.

Anderson has repeatedly described returning to the show only days after Piper’s birth. That experience provides direct evidence about the pressure surrounding her first period of motherhood.

Piper has appeared publicly with her mother and has a bounded arts/creative record, but KidsCo found no strong first-party 2026 source that justifies a precise current job title. “Private adult with public creative history” is more accurate than recycling a stale role.

Oscar and Felix Griffiths

Oscar was born in November 2006 and is 19. Anderson has contrasted the longer break she took after his birth with her rapid return following Piper’s birth.

Felix was born in October 2008 and is 17. He remains a minor on the review date.

Both sons grew up with substantially less public exposure than their mother experienced during peak X-Files fame. Schools, photographs, personality claims and guessed careers are excluded.

How do the two parent branches work?

Clyde Klotz is Piper’s father. He worked in art direction on The X-Files and married Anderson in 1994.

Mark Griffiths is Oscar and Felix’s father. He and Anderson were partners from the mid-2000s until their reported separation in 2012.

A former spouse and former partner are relationship facts relevant to the family map. The children do not need private separation or custody details attached to their biographies.

What has Gillian Anderson said about motherhood and work?

Anderson returned to The X-Files ten days after Piper’s birth, a schedule she has discussed critically in later interviews. After Oscar, she said she took more than a year before feeling back in her body and returning to work.

A 2024 Guardian profile describes her London family with Piper as the older daughter and Oscar and Felix as the younger sons. It also recalls the intense paparazzi attention Anderson faced when Piper was young.

Quotes about cooking, school runs or alternating weeks must remain dated. They are reflections from a particular parenting period, not a guaranteed 2026 household timetable.

What current Gillian Anderson family profiles should fix

The value lies in the exact two-branch family map and Anderson’s own motherhood record—not in pretending all three children seek public careers.

Evidence and privacy boundaries

A private young adult and a minor do not create blank sections to fill. Their relationship and age answer the reader’s central question.

Gillian Anderson family timeline

Questions people ask about Gillian Anderson’s children

How many children does Gillian Anderson have?

Gillian Anderson has three children: Piper, Oscar and Felix.

Who is Piper Klotz’s father?

Piper’s father is Anderson’s first husband, Clyde Klotz.

Who are Oscar and Felix’s father?

Their father is Anderson’s former partner, Mark Griffiths.

How old is Piper Klotz?

Piper is 31 on 13 August 2026.

How old are Oscar and Felix Griffiths?

Oscar is 19 and Felix is 17 on 13 August 2026.

Do Gillian Anderson’s children act?

No strong reviewed evidence establishes current acting careers for all three; Piper has some public creative history, while Oscar and Felix remain private.