hijos in english
Mi hijo means my son or my child (masc). Mi hijos would mean my children regardless of gender. Typically a term of endearment.
Probably the best way to start studying a language is to grasp its most common phrases. We will start with greetings. The most popular word to say hi informally is labas. Another popular informal way of saying hello is sveikas, sveika, sveiki and sveikos. These words are dependant on gender and number.