Evert and Sara's son Jonathan expanded the home in 1764.

With the mother's death in 1877, the two sons continued and expanded the business.

In 1751 his son, Joseph, expanded the palace, adding a chapel with bell tower.

His son eventually took over the group and has greatly expanded it.

The Heigises' son, James, still runs the inn and has expanded it greatly in recent years.

In 1982, van Laarhoven's two sons took over the zoo and ultimately expanded it to include about 70 species.

His sons further expanded the holdings during the 19th century.

His son succeeded him in the businesses and expanded them for his own children as successors.

William's son, also named William, took over in 1947 and expanded into toys.

During the next decade, Hartford and his sons expanded the product line to create the first chain grocery stores.