This is the 5442nd most frequent Dutch word.
lieselot
"Lieselot" is a Dutch feminine given name, derived from combining "Liese" (a diminutive of Elisabeth) and "Lot." It does not have a specific dictionary definition beyond being a name.
Here, 'Lieselot' is used as a proper noun, referring to the subject of the sentence, which is a person.
Lieselot houdt van schilderen in haar vrije tijd.
Lieselot enjoys painting in her free time.
In this sentence, 'Lieselot' is used as a proper noun in the possessive form to indicate ownership of the chair.
De kat sprong op de stoel van Lieselot.
The cat jumped onto Lieselot's chair.
The word 'Lieselot' here signifies the person who was observed in the park by the speaker.