↑ Friederike khi ấy là cháu chắt của quân chủ là Friedrich Wilhelm I của Phổ và cha của Friederike chưa trở thành Quốc vương nên gọi là Vương tằng tôn nữ.
↑ Văn bản tiếng Anh là:"There is only this poor child remaining to her, and she can find no asylum save with you; let the little one have the apartments lately occupied by my niece of Holland."
↑ Văn bản tiếng Anh là:"If anything could add to my satisfaction at the choice of my son, it would be the lively interest which your Majesty takes in the fate of this Princess, your pupil, and I assure you that a Princess brought up under your eye, and to whom you render so high a testimony, shall find in me not only a mother but a friend; and I hope that in gaining the Princess's friendship, I shall also gain a part in yours, which would be of great value to me."
↑ Nguyên văn là:"a harmless but an eccentric little woman, with an extraordinary fondness for cats and dogs, some indications of the German severity of family etiquette, which gave her household the air of Potsdam, and but a slight share of those attractions which might retain the regards of a husband—young, a soldier, and a prince.".
↑ Nguyên văn là:"Affection must rest on something, and where there are no children, animals are the object."
