私は祖父によってロバートと名付けられました。

I was named Robert by my grandfather.

私(わたし)は祖父(そふ)によってロバートと名付(なづ)けられました。

Watashi wa sofu niyotte Roba-To to nazukeraremashita.

私 (わたし、わたくし)

I; me; private affairs; personal matter; secrecy; selfishness

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

祖父 (そふ、じじ、じい、おおじ、おじ、そぶ)

grandfather; old man; kyogen mask used for the role of an old man

に因って (によって)

according to; by (means of); due to; because of

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

名付ける (なづける)

to name; to call; to christen; to term

Readings: シ、わたくし、わたし

Meanings: private, I, me

Reading: ソ

Meanings: ancestor, pioneer, founder

Readings: フ、ちち

Meaning: father

Readings: メイ、ミョウ、な、 -な

Meanings: name, noted, distinguished, reputation

Readings: フ、つ.ける、 -つ.ける、 -づ.ける、つ.け、つ.け-、 -つ.け、 -づ.け、 -づけ、つ.く、 -づ.く、つ.き、 -つ.き、 -つき、 -づ.き、 -づき

Meanings: adhere, attach, refer to, append