If your plan is to use this hotel for touring Rome - and Rome as a base for nearby places, hotel is excellent.
5 mins to the main railway station, 5 mins to three Metro lines, places to eat, drink and two supermarkets.
In my opinion, this may not be the right place for a family with very young children. The hotel can be quiet "busy" both last thing at night and first thing (from 0600) in the morning. The area surrounding is also busy with tourists, people in restaurants and people passing by.
But, I would 100% stay again. Great place, clean and the AC worked perfectly. A brilliant place to see Rome and the local area from!