自分の名前さえ

not even one's own name

→ 自分
phrase Rare #29,233
not even one's own name Used to emphasize that someone cannot do something as basic as writing their own name. 自分の means “one's own,” 名前 means “name,” and さえ means “even.”
JA: 彼は自分の名前さえ思い出せなかった。
EN: He couldn't even remember his own name.

彼女は自分の名前さえ書けない

She can't even write her own name.

その男は自分の名前さえ書けなかった

The man couldn't even write his own name.

あの男は自分の名前さえ書けない

That man can't even write his own name.

彼は自分の名前さえ書けなかった

He couldn't even write his own name.