To know the history of Merriewold Castle is to step into a story shaped by legacy and ambition.

The castle is tied to one of America’s most influential families. In 1885, Robert Wood Johnson, alongside his brothers, founded what would become Johnson & Johnson a company built on innovation in healthcare and a vision for improving lives.

Nearly four decades later, in 1924, his son, J. Seward Johnson, created something entirely different. He built Merriewold Castle as a wedding gift for his wife, Ruth Dill. Ruth Dill, sister of Diana Dill (an actress and mother of actor Michael Douglas). The name Merriewold, meaning “merry wilderness,” a private, romantic retreat set apart from the world. Today, it continues its story as the House of Reverie, established in 2012.

Designed in a European-inspired style, the castle was rich in detail and imagination. Turrets and stonework gave it a storybook presence, while hidden staircases (ask Natalie) and a concealed Prohibition-era bar tucked behind a bookcase added layers of intrigue. Inside, leaded glass windows filtered light in a way that still feels timeless today.

But like many grand estates, Merriewold has lived through more than one chapter.

Following the couple’s divorce in 1937, Ruth Dill remained living on the grounds for many years. Over time, the castle welcomed new residents, and with them, new stories—some marked by complexity and change.

Today, the surrounding grounds (over 17 acres) have evolved into a modern residential community, blending contemporary living with the historic presence of the castle. While the landscape has changed, Merriewold itself remains—a rare and enduring piece of history nestled in New Jersey.

A Space That Continues to Evolve

What makes Merriewold truly remarkable is not just its architecture, but its ability to hold many stories at once.

It began as a gesture of love.
It moved through decades of change.
And today, it stands as a place where new stories continue to unfold.

There is a quiet depth here—something you feel the moment you step inside.

A sense of history.
Of transformation.
Of presence.