Where is Herleva from?

Meaning of the name Herleva

Germanic name, possibly from hari "army" or erlaz "noble" combined with leib "descendant, heir, heritage" (or Old Norse cognates). This was the name of the mother of William the Conqueror, who, according to tradition, was a commoner.

Characteristics of the name Herleva

How do we know this about Herleva

(and is it secret spies?)

We use a combination of data from the internet, and our own Machine Learning models to make these predictions.
In a gist, we use a Machine Learning model trained on a diverse global dataset of 100m+ names, and use it to predict different traits for a person based on first name!
NameGuessr guesses a person's nationality, age, and gender based on their name. We also try to give insightful info around the name's origin, name meaning, and name pronounciation.