Since you won't find a native speaker to teach your children or yourself Latin, you may want a textbook for language instruction. Most of the following Latin textbooks have been used for decades in classroom use, but some can be used independently, online, and in homeschools. Some are the first volumes in series.
A multi-media approach to studying Latin that allows each student to set his own pace. Audio on the CD-Rom inludes the Restored Classical, American Scholastic and Continental Ecclesiastical pronunications. The Artes Latinae program is based on Waldo Sweet's work.
Useful as a reference tool with other textbooks, the sixth edition of Wheelock is also the basis of online beginning Latin courses. May be used as a stand-alone text or supplemented with reading passages or a Latin teacher.
Vroma describes this as Chomskian, using Latin texts to develop reading skills and comprehension. The first of a four-unit introductory program using an ongoing storyline, grammatical development and cultural information, with color photographs that illustrate the Roman world.
One of the texts used when I learned Latin, Jenney's is the classical grammar-translation approach, combining instruction and cultural capsules.
According to Oxford University Press, their Latin reading-based course contains Latin-captioned cartoons to illustrate new grammar points, followed by reading passages, grammar, vocabulary and exercises, and a cultural essay in each chapter.
According to Karen Lee Singh, in "Latin for the 21st Century," Latin for Americans, which uses a "grammar-translation" approach, avoids student frustration by using familiar vocabulary in new sections.
Rose Williams wrote this to help students studying Latin. It teaches the history of Rome accurately, but with tongue firmly planted in her cheek.