The Jonkheer van Tets red currant, an early fruiting commercial variety, was developed by Jerry's grandfather, also Gerard Frederick van Tets, a former president of the Dutch Horticultural Society.
The Jonkheer van Tets red currant was developed by Jerry's grandfather Gerard Frederick van Tets. This was also. Gerard Frederick van Tets was a former president of the Dutch Horticultural Society. The Jonkheer van Tets red currant was an early fruiting commercial variety.