потомък означава в английски

descendant [descendants]▼(one who is the progeny of someone)
noun
[UK: dɪ.ˈsen.dənt] [US: də.ˈsen.dənt]

issue [issues]▼(legal term for offspring)
noun
[UK: ˈɪ.ʃuː] [US: ˈɪ.ʃuː]

offspring [offspring]▼(singular offspring (male, female or sex unspecified))
noun
[UK: ˈɒf.sprɪŋ] [US: ˈɒf.ˌsprɪŋ]

scion [scions]▼(descendant)
noun
[UK: ˈsaɪən] [US: ˈsaɪən]

spawn▼(any germ or seed, even a figurative source; offspring)
noun
[UK: spɔːn] [US: ˈspɑːn]

sprout [sprouts]▼(child)
noun
[UK: spraʊt] [US: ˈspraʊt]