September 22, 1881 – May 17, 1964Finnish and Soviet communist politician, Prime Minister and Foreign Minister of the Finnish Democratic Republic, Chairman of the Presidium of the Supreme Soviet of the Karelian-Finnish SSR, Secretary of the Central Committee of the CPSU and Member of Presidium of the Central Committee of the CPSU, Academician, Hero of Socialist Labour
His daughter:
Hertta Elina KuusinenFebruary 14, 1904 – March 18, 1974
Finnish politician, member of Political Bureau of the Central Committee of the Communist Party of Finland, member of Parliament, Minister without portfolio, Minister of the Office, Chairman of the Women's International Democratic Federation
His son-in-law:
Yrjö Kaarlo LeinoJanuary 28, 1897 – June 28, 1961
Finnish communist politician, Finland's Minister of the Interior
His grandson:
Martti Esovich KuusinenOctober 13, 1928 – July 30, 2001
Soviet and Russian lexicographer, Candidate of Philological Sciences