"Den Hartog" sounds very much like someone's last name.
Arno den Hartog was born in 1954.
Kristen den Hartog was born in 1965.
Jacci Den Hartog has written: 'The liminal garden'
Arie den Hartog was born on 1941-04-23.
Jacob Pieter Den Hartog was born in 1901.
Jacob Pieter Den Hartog died in 1989.
Dirk Hartog was a Dutch Sailor and Explorer.
Dirk Hartog (1580 - 1621) was a 17th century Dutch sailor and explorer.
Roland Henrik den Hartog has written: 'The dynamics of rich galaxy clusters' -- subject(s): Clusters, Galaxies
dirk hartog was a dutch explorer so therefore he was from dutchland he was an explorer and sailor.
"The Hague" is the English name for the city, Den Haag.
Nowadays, den is only used as an abbreviation for a pine. In old Dutch, it was being used as an article as well(nowadays "de" meaning the),