An user Spanish
says…

Es
Auxiliary
  nieto
Noun
  por
Adposition
  la
Determiner
  vía
Noun
  paterna
Adjective
  de
Adposition
  un
🅰️
Determiner
  mexicano
mexicano
Noun
  y
Coordinating conjunction
  de una
  japonesa
Adjective
.

He is a grandson through the paternal ways of a Mexican and a Japanese woman.
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New
Words and sentences
New
es

New
nieto

grandchild; grandson

New
por

  1. by (indicates the creator of a work)
  2. for (indicates something given in an exchange)
  3. through, out, via (indicating movement)
  4. across (indicating movement)
  5. about
  6. due to, because of, for, for the sake of, out of (to express cause or motive)
  7. over
  8. times, by, multiplied by
  9. according to, for, regarding (to express opinion or something concerning someone)
  10. via, through, by (indicating the means of something)
  11. for (indicating duration)
  12. for, for the sake of, on behalf of (indicating doing something for someone's benefit)
  13. per, for each
  14. to (indicating something that has not yet passed)
  15. about to (indicating something that will soon happen)
  16. compared to; against; versus (indicating a comparison)

New
la

New
de

mexicano
New
mexicano

New
de una

Synonym of de una vez

New
japonesa

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