Given name: Hadaska Family name: Unknown

Girl, acquaintance, perhaps a former foster child (?). J. K., in his letter, defends her from her family, who expect her to sacrifice completely. Korczak reminds them that she has the right to be a child.

J. K. corresponded with her, he recalls her in 'Pamietnik' (memoir): Hadaska gave him a fountain pen (p. 302).