Her two Princes were absent, touring over Europe, when their Father died, and the elder of them, Karl Gustav, suddenly saw himself King.

They were in no breathless haste to return; visited their Uncle, their Prussian kindred, on the way, and had an interesting week at Potsdam and Berlin; [April 22d-29th: Rodenbeck, iii.

45.] Karl Gustav flying diligently about, still incognito, as "Graf von Gothland,"-- a spirited young fellow, perhaps too spirited;--and did not reach home till May-day was come, and the outburst of the Swedish Summer at hand.
Some think the young King had already something dangerous and serious in view, and wished his Mother out of the way for a time.

Certain it is she decided on a visit to her native Country in December following: arrived accordingly, December 2d, 1771; and till the middle of August next was a shining phenomenon in the Royal House and upper ranks of Berlin Society, and a touching and interesting one to the busy Friedrich himself, as may be supposed.

She had her own Apartments and Household at Berlin, in the Palace there, I think; but went much visiting about, and receiving many visits,--fond especially of literary people.
Friedrich's notices of her are frequent in his Letters of the time, all affectionate, natural and reasonable.