OfthesonsofShechaniah - There were three of this name; the second is mentioned Ezra 8:6, and the third Ezra 10:2. They were all different persons, as may be seen from their fathers' houses.
Matthew Henry
Concise Bible Commentary
Ezra assembles the outcasts of Israel, and the dispersed of Judah. God raised up the spirits of a small remnant to accompany him. What a pity that good men should omit a good work, for want of being spoken to!
SDA Bible Commentary (limited)
Volume 1-7
3. Pharosh. For this name and those of the following verses also mentioned in the list of Zerubbabel’s time, see on ch.2.