Rahumäe kalmistu[*][[Rahumäe kalmistu (cemetery in Tallinn, Estonia)|]]
Căsătorit cu
Ellen Niit[*][[Ellen Niit (Estonian author and translator (1928-2016))|]] (–) Helga Kross[*][[Helga Kross (Estonian translator (1917–1998))|]] (–)
Copii
Eerik-Niiles Kross[*][[Eerik-Niiles Kross (politician estonian)|]] Kristiina Ross[*][[Kristiina Ross (Estonian linguist and translator)|]] Maarja Undusk[*][[Maarja Undusk (Estonian poet and leatherworker)|]]