1. Hôtel Les Dames du Panthéon — 5th arr. · Latin Quarter
A four-star opposite the Panthéon with family rooms for two adults and two children and connecting rooms.
Les Dames du Panthéon's site says the hotel is directly opposite the Panthéon and lists three family rooms for a maximum of 2 adults and 2 children, adding that larger families can book several rooms. Connecting rooms are available for Classic, Superior Pantheon, Family and Junior Suite Cocotte categories.
The site shows "from" offers of about €210 to €270 and says rates vary by season. It lists 35 rooms in its FAQ but its room types add up to more, so confirm availability by contact. It is on Place du Panthéon in the Latin Quarter.
Good to know: Not every category connects: Romantic, Deluxe Pantheon and Suite Cocotte rooms do not, per the site.
19 Place du Panthéon, 75005 Paris, France