Conquest of the Canary Islands coalesced with these expeditions. La Gomera and El Hierro are depicted in the 1367 portolan of the brothers Domenico and Francesco Pizzigano. The Catalan Atlas of 1375 shows the Canaries almost completely and accurately mapped (only La Palma is missing). The eleven islands are named in the Catalan Atlas (from east to west) as "Graciosa" (La Graciosa),"laregranza" (Alegranza), "rocho" (Roque), "Insula de lanzaroto maloxelo" (Lanzarote), "insula de li vegi marin" (Lobos), "forteventura" (Fuerteventura), "Insula de Canaria" (Gran Canaria), "Insula del infernio" (Tenerife), "insula de gomera" (La Gomera), "insula de lo fero" (El Hierro). The name 'tenerefiz' is first given alongside
Lanzarote of Genoese navigator Lancelotto Malocello, who used the alias "Lanzarote da Framqua". A fort was later built in the area of Montaña de Guanapay near today's Teguise. Castilian slaving expeditions in 1385 and 1393 seized hundreds of Guanches and sold them in Spain, initiating the slave trade in the islands. French explorer Jean de Béthencourt arrived in 1402, heading a private expedition under Castilian auspices. Bethencourt first visited the south of Lanzarote at Playas de Papagayo, and the French overran the island within a matter of months. The island lacked mountains and gorges to serve as hideouts for the remaining